please help I attached an image

Please Help I Attached An Image

Answers

Answer 1

Answer:

B

Explanation:

Nonmetals have nearly full valence shells and try very hard to get that last few electrons to complete their valence shell. This allows them to achieve noble gas stability. This is why they have high electronegativities and electron affinities.


Related Questions

How does calculating the kinetic energy of an object at different velocities help understand the relationship between kinetic energy and velocity?

Answers

Answer:

Kinetic energy depends on the velocity of the object squared

Explanation:

Kinetic energy depends on the velocity of the object squared. This means that when the velocity of an object doubles, its kinetic energy quadruples. ... Kinetic energy must always be either zero or a positive value. While velocity can have a positive or negative value, velocity squared is always positive.

Which of these metric prefixes represent 1000?


(A). Centi

(B). Ecto

(C). Kilo

(D). Milli

Answers

The answer would be c

which choice is an element? Air, oxygen, water, or sodium cholride

Answers

Answer:

Oxygen is an element.

Explanation:

Out of the choices listed, oxygen is the only element. The other choices are incorrect because air is a mixture of nitrogen, oxygen, carbon dioxide, water vapors, and some other gases; water is a compound of hydrogen and oxygen; and sodium chloride is a compound of sodium and chloride ions; meanwhile, oxygen is a pure element.

When reactants are not used to make new substances, are they destroyed?

Answers

In a chemical reaction, only the atoms present in the reactants can end up in the products. No new atoms are created, and no atoms are destroyed. In a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.

A sample of damp air in a 1.00 L container exerts a total pressure of 741.0 torr at 20 oC; but when it is cooled to -10 oC, the water vapor freezes to ice with neglegible pressure giving a pressure of 607.1 torr. How many molecules of water were present in the gas

Answers

From the information presented in the question, the number of molecules present of water present is obtained 2.41 × 10^21 molecules.

From the information we have;

Volume of the damp air =  1 L

Pressure of the damp air =  741.0 torr or 0.975 atm

Temperature of the gas = 20 oC + 273 = 293 K

R = 0.082 atm LK-1mol-1

Number of moles = ?

n =PV/RT

n = 0.975 × 1/0.082 ×  293

n = 0.041 moles

Volume of water vapor = 1 L

Temperature of water = -10 oC + 273 = 263 K

Pressure of the gas = 607.1 torr or 0.799 atm

R = 0.082 atm LK-1mol-1

n= PV/RT

n = 0.799 × 1/ 0.082 × 263

n = 0.037 moles

Number of moles of water = 0.041 moles -  0.037 moles = 0.004 moles

If 1 mole = 6.02 × 10^23 molecules

0.004 moles = 0.004 moles × 6.02 × 10^23 molecules/1 mole

= 2.41 × 10^21 molecules

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NaC2H3O2 HOH --> HC2H3O2 NaOH Since the two products are a weak acid and a strong base, we expect this mixture to be basic. When NaF reacts with water in the same manner, the products would be NaOH and _______.

Answers

The products of the reaction would be NaOH and HF

From the question,

We are to determine the products of the reaction between NaF and water in the same manner as the given reaction.

To determine the other product, we will write the equation for the reaction

The equation for the reaction is

NaF + H₂O → NaOH + HF

Hence, the products of the reaction would be NaOH and HF.

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how many pairs of electrons are shared between two adjacent carbon atoms in a saturated hydrocarbon?

Answers

Answer:

It would be one pair of electrons.

Why is it important that you not breathe on the baking soda test?

Answers

Breath will warm up the test by several degrees and cause the products to decompose. Breath contains water vapor

Baking soda is a salt of sodium and bicarbonate ions. In a soda test, the breath will raise the temperature as it contains water vapor and decomposes the soda.

What is the baking soda test?

The baking soda is also called sodium bicarbonate, and the test uses sodium bicarbonate as a reactant. It is also a leavening agent that is used in the preparation of food.

Breath contains some amount of water vapor that alters the test by diluting it and resulting in the clouding of the test. The water vapor decomposes the baking soda and alters the test results.

Therefore, breath contains water vapor.

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which of the following is most acidic oxide?
a.Na2O
b.Al2O3
c.P2O5
d.SO3
And why it is most acidic oxide?

Answers

-i effect required here

Let's see which oxide shows more -i effect

Na-Group 1 Al-Group 15P-Group 15S -Group 16

P lies below Al

And -i effect increases down the group so acidity increases

P_2O_5 is more acidic

When glucose is broken down in an atmosphere where oxygen supply is limited, a 3-carbon compound known as ________ accumulates in the muscle.

Answers

Answer: Lactate!

Explanation:Hope this helps!!!

Question 1 (5 points)
(04.01 LC)
Based on the law of conservation of mass, which of the following statements is correct? (5 points)
a
Matter is neither created nor destroyed.
b
Matter can be created but it cannot be destroyed.
The total mass of substances before a reaction is less than the total mass after a reaction.
The total mass of substances before a reaction is greater than the total mass after a reaction.

Answers

A
matter can not be created or destroyed

Matter is neither created nor destroyed. Therefor, option (A) is correct.

What is The Law of Conservation of Mass?

The Law of Conservation of Mass is a fundamental principle in science that states that matter cannot be created or destroyed in a chemical reaction, only transformed from one form to another. This means that the total mass of the reactants in a chemical reaction must be equal to the total mass of the products.

The Law of Conservation of Mass was first introduced by Antoine Lavoisier, a French chemist, in the 18th century. The law has been extensively tested and verified through numerous experiments in the field of chemistry. It is an essential concept for understanding the behavior of matter in chemical reactions and for the development of technologies that depend on chemical reactions, such as energy production, medicine, and materials science.

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Help Help Help Help Help Help Help Help Help Help Help Help Help Help Help Help Help Help Help Help Help Help​

Answers

You need to convert them

If two trucks are moving at the same speed, but truck A has a mass of 3,000 kg, and truck B has a mass of 4,500 kg, what statement is true?

Question 3 options:

Truck A has greater kinetic energy.


Truck A will have a greater stopping distance.


Truck B will have a greater stopping distance.


Truck B has less kinetic energy.

Answers

Answer:

C, Truck B will have a greater stopping distance. Took the test got it right.

Explanation:

Answer:

the answer is c

Explanation: the truck with less kg means that it will be more likely to stop fast but if you have a high kg it will slide till it stops thus the answer is c

What is Art Conservation?

Answers

Answer:

The conservation and restoration of cultural property focuses on protection and care of cultural property, including artworks, architecture, archaeology, and museum collections. Conservation activities include preventive conservation, examination, documentation, research, treatment, and education

Explanation:

this is the correct answer

What enzyme catalyzes the conversion of carbon dioxide and water to carbonic acid, and where is this enzyme located

Answers

Answer:

Carbonic anhydrase and they are located in renal tubules.

Explanation:

What is the molarity of a NaOH solution if 48.0 mL of a 0.220 M H2SO4 solution is required to neutralize a 25.0-mL sample of the NaOH solution?

Answers

Answer:

Molarity NaOH = 0.85M (2 sig figs)

Explanation:

48.0ml(0.220M H₂SO₄) + 25ml(Xmolar NaOH)H₂SO₄ + 2NaOH => Na₂SO₄ + 2H₂O

2(molarity x volume) H₂SO₄ = (molarity x volume) NaOH

2(0.220M x 48.0ml) = 25.0ml x Molarity NaOH

Molarity NaOH = 2(0.220M x 48.0ml)/25.0ml = 0.8448M ≅ 0.85M (2 sig figs)

The density of gold is 19. 3 g/cm3. What is the volume of a 13 g gold nugget? (Density: D = ). 25 cm3. 67 cm3 1. 48 cm3 2. 50 cm3.

Answers

Answer:

0.67 cm³

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

[tex]volume = \frac{mass}{density} \\[/tex]

From the question

mass = 13 g

density = 19.3 g/cm³

We have

[tex]volume = \frac{13}{19.3} \\ = 0.673575...[/tex]

We have the final answer as

0.67 cm³

Hope this helps you

Help please!!!!!!!!!!!!!!!!!!!!…

Answers

Answer:

i honestly dont know how this is showing up on my thing i am 13

Explanation:

sorry i dont know at all

8. In an ionic bond, electrons are
electrons are
while in a covalent bond,
?

Answers

Answer:

in covalent bond electrons are shared by atoms

please help for a brainlist

Answers

Answer:

Is D

Explanation:

hope this is helpful

explain why heating a solution increases the solubility of a solute

Answers

[tex] \: \: \: \: \: [/tex]

The addition of more heat facilitates the dissolving reaction by providing energy to break bonds in the solid. This is the most common situation where an increase in temperature produces an increase in solubility for solids.

hope it helps

[tex] \: \: \: \: \: \: [/tex]

what is the function of the lungs​

Answers

Answer:

the lungs are part of the respiratory system

Explanation:

Allows you to talk and to smell

Oxygen to the cells in your body

and helps you breathe

Answer:

Your lungs are part of the respiratory system, a group of organs and tissues that work together to help you breathe. The respiratory system's main job is to move fresh air into your body while removing waste gases.

Explanation:

Main functions of the lungs : -

Inhalation and Exhalation Are Pulmonary Ventilation - That’s Breathing External Respiration Exchanges Gases Between the Lungs and the Bloodstream.Internal Respiration Exchanges Gases Between the Bloodstream and Body TissuesAir Vibrating the Vocal Cords Creates SoundOlfaction, or Smelling, Is a Chemical Sensation

In your own words, what is the conservation of mass?

Answers

Answer:

In chemistry, the law of conservation of mass states that the mass of the products (the chemical substances created by a chemical reaction) will always equal the mass of the reactants (the substances that make the chemical reaction). Think of it as being similar to balancing an algebraic equation.

Explanation:

(winks and runs off)

Answer:

Mass cannot be created or destroyed.

Explanation:

        Conservation of mass is "a principle stating that mass cannot be created or destroyed" (Oxford Languages).

Have a nice day! (there is not much rewording/etc you can do here as it is a simple principle, but I hope this will still help!)

    I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

2. For each of the six elements aluminium (Al), boron (B), nitrogen (N), oxygen (O) phosphorus (P), sulfur (S), write down:
a. the period of the periodic table to which it belongs.
b. its group number in the periodic table.
c. its proton number (atomic number).
d. the number of electrons in one atom.
e. its electronic configuration.
f. the number of outer-shell electrons in one atom.
g. Which of the above elements would you expect to have similar properties?

Answers

2. For each of the six elements aluminium (Al), boron (B), nitrogen (N), oxygen (O) phosphorus (P), sulfur (S), write down:

a. the period of the periodic table to which it belongs.

b. its group number in the periodic table.

c. its proton number (atomic number).

d. the number of electrons in one atom.

e. its electronic configuration.

f. the number of outer-shell electrons in one atom.

g. Which of the above elements would you expect to have similar properties?

Elements in the same group of the periodic table tend to have similar chemical properties

What is the periodic table?

For Al;

a. Period: Period 3

b. Group: Group 13

c. Proton Number (Atomic Number): 13

d. Number of Electrons: 13

e. Electronic Configuration: 1s² 2s² 2p⁶ 3s² 3p¹

f. Number of Outer-Shell Electrons: 3

g. Similar Properties: Boron (B)

For Boron (B):

a. Period: Period 2

b. Group: Group 13

c. Proton Number (Atomic Number): 5

d. Number of Electrons: 5

e. Electronic Configuration: 1s² 2s² 2p¹

f. Number of Outer-Shell Electrons: 3

g. Similar Properties: Aluminium (Al)

For Nitrogen (N):

a. Period: Period 2

b. Group: Group 15

c. Proton Number (Atomic Number): 7

d. Number of Electrons: 7

e. Electronic Configuration: 1s² 2s² 2p³

f. Number of Outer-Shell Electrons: 5

g. Similar Properties: Phosphorus (P)

For Oxygen (O):

a. Period: Period 2

b. Group: Group 16

c. Proton Number (Atomic Number): 8

d. Number of Electrons: 8

e. Electronic Configuration: 1s² 2s² 2p⁴

f. Number of Outer-Shell Electrons: 6

g. Similar Properties: Sulfur (S)

For Phosphorus (P):

a. Period: Period 3

b. Group: Group 15

c. Proton Number (Atomic Number): 15

d. Number of Electrons: 15

e. Electronic Configuration: 1s² 2s² 2p⁶ 3s² 3p³

f. Number of Outer-Shell Electrons: 5

g. Similar Properties: Nitrogen (N)

For Sulfur (S):

a. Period: Period 3

b. Group: Group 16

c. Proton Number (Atomic Number): 16

d. Number of Electrons: 16

e. Electronic Configuration: 1s² 2s² 2p⁶ 3s² 3p⁴

f. Number of Outer-Shell Electrons: 6

g. Similar Properties: Oxygen (O)

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this is the text code sir​

Answers

Answer:

okay?

Explanation:

Answer:

[tex]\huge\blue{\boxed{\tt{\colorbox{black}{babyheaven}}}}[/tex]

which ionization process requires the most energy?

Answers

Answer:

the second ionization energy

Explanation:

The second ionization energy is always larger than the first ionization energy, because it requires even more energy to remove an electron from a cation than it is from a neutral atom.

Consider the following chemical reaction.
3 Zn(C₂H₃O₂)₂(aq) + 2 Na₃PO₄(aq) → 6 NaC₂H₃O₂(aq) + Zn₃(PO₄)₂(s)

A chemist makes a solution of zinc acetate by dissolving 20.5 g Zn(C₂H₃O₂)₂ in 105 mL H₂O. What is the concentration of this zinc acetate solution?

Answers

The concentration of the zinc acetate, Zn(C₂H₃O₂) solution is 1.067 M

We'll begin by calculating the number of mole in 20.5 g of Zn(C₂H₃O₂)₂

Mass of Zn(C₂H₃O₂)₂ = 20.5 g

Molar mass of Zn(C₂H₃O₂)₂ = 65 + 2[(12×2) + (3×1) + (16×2)]

= 65 + 2[59]

= 183 g/mol

Mole of Zn(C₂H₃O₂)₂ =?

Mole = mass / molar mass

Mole of Zn(C₂H₃O₂)₂ = 20.5 / 183

Mole of Zn(C₂H₃O₂)₂ = 0.112 mole

Finally, we shall determine concentration of Zn(C₂H₃O₂). This can be obtained as follow:

Mole of Zn(C₂H₃O₂)₂ = 0.112 mole

Volume = 105 mL = 105 / 1000 = 0.105 L

Concentration of Zn(C₂H₃O₂)₂ =?

Concentration = mole / Volume

Concentration of Zn(C₂H₃O₂)₂ = 0.112 / 0.105

Concentration of Zn(C₂H₃O₂)₂ = 1.067 M

Therefore, the concentration of the zinc acetate, Zn(C₂H₃O₂) solution is 1.067 M

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Please count compound list each element and the amount of each and then figure out the total of the atoms
​NEED ANSWER ASAP

Answers

Answer:

Carbon: 18, Hydrogen: 16, Oxygen: 8

Explanation:

Total # of atoms = 42

Organic

as liquid or gases heat up, they ___________. Then as they___________ they fall, thus As liquid or gases heat up, they driving the motion the of convection.


A: Fall, Heat
B: Bubble, Overflow
C: Create Heat, Burn
D: Rise, Cool



Help please its okay if not <3 ​

Answers

Answer:

so sorry but I need to randomly answer 2 questions

How many grams of sodium hydroxide are present in 250.0 mL of a 0.300 M NaOH solution?

Answers

4g of NaOH
………………………………….
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