Part 1. Matching
Place the letter for the correct element category from the list below next to each description.
Part 2. Fill in the blank
Write the word or phrase that best completes each sentence. Choose from the following:
group, period, atomic number, periodic, metal, metalloid, nonmetal, chlorine, magnesium.
1. The elements on the periodic table are arranged in order of increasing _____________________.
2. The arrangement of the elements on the periodic table shows a predictable, repeating, ____________
pattern that allows us to predict chemical properties.
3. The elements Na, Mg, and Cu are each classified as ___________________ elements.
4. When elements are located in the same ______ they exhibit similar chemical and physical properties.
5. The element ________ is an example of an element that is classified as a nonmetal.
Part 3. Classifying
For each electron configuration identify the element and decide which group the element belongs to on the
periodic table. (Hint: Find the total number of electrons for each and refer to page 186 in your Student
Book to determine the element and group number.
Electron configuration Element Group number
1. 1s2
2s22p6.
2. 1s2
2s22p6
3s2.
3. 1s2
2s2
2p6
3s2
3p6
.
4. 1s2
2s2
2p6
3s2
3p6
4s2
.
5. 1s2
2s22p6
3s23p3.
A NATURAL APPROACH TO CHEMISTRY
_______
_______
_______
_______
_______ _______
_______
_______
_______
_______
1. ___ The element sodium (Na) belongs to this group of elements.
2. ___ These elements are not likely to chemically bond with other elements.
3. ___ These elements are located in the center of the periodic table.
4. ___ These elements tend to gain one electron to fill their outer shell and are sometimes colored gases.
5. ___ These elements have two electrons in their highest unfilled energy level.

Answers

Answer 1

Answer:

Try asking a friend or teacher

Explanation:

helps better than this site because alot of the answers are different even though they might of had the same test


Related Questions

1.The diagram below shows the stages of a land feature being formed over
time.
Stage 1
Stage 2
Stage 3
How has the area been
reshaped over time?

Answers

Answer:

I think....I'm not sure......the plats of earth shifting?

Explanation:

Which sublevel comes after 4d orbital

Answers

Answer:

5s

Explanation:

The 4d sublevel is filled next, after the 5s sublevel.

First to answer both CORRECTLY gets brainleist!

Answers

Answer: I am actually studying about Stars, so I got you.

3. As the temperature of a star Increases, it's luminosity increases.

As the temperature of a star decreases, it's luminosity decreases.

4. Hot and Bright. The bigger the star, the hotter it gets is from what I learned.

Answer: As the temperture of a main sequence star increases, the luminosity increases, vice versa

Cool and bright

Explanation:

I WILL GIVE U BRAINLIEST IF U HELP ME!!!!!

Answers

Answer:

your awnser is B cutting back

A glass of milk occupies a volume of 50.0 mL and has a mass of 52.0. what is its density

Answers

Answer: 1.04 is the density.                   Explanation: Just like a solid, the density of a liquid equals the mass of the liquid divided by its volume; D = m/v.    52.0/50.0=

An object is either copper or brass. The density of copper is 8.96g/ml. The density of brass is 8.73g/mL. I find that my object is 10.08
and has a volume of 1.15mL. What is my object made of?
Your answer:
O Copper
O Brass
O Cannot tell from the information given

Answers

I like pp hehehehehe hehhe
Penis in my butt.......

Eugene describes the physical property of a material as “sweet and floral.” What physical property of the material is Eugene most likely observing?

boiling point
shape
hardness
odor

Answers

Answer:

D odor

Explanation:

Answer: odor

Explanation:

Can someone check if I did this right pls

Answers

Answer:

It's right

Explanation:

Wich statement best describes the progress of science

Answers

Answer:

Scientific ideas are changed when better ones are found.

Explanation:

On July 8th, I will be 8.51472x108 seconds old. How old will I be in years? (Assume 365 days in a year.)
step by step

Answers

Answer:

You will be 27 years old (✿◠‿◠)

what best explains the cause of strong winds on a island?​

Answers

Lack of objects that could be used to slow down the winds, I.e. lack of trees or other natural barriers

What satement is true the about atomic mass?

Answers

Answer:

Explanation:

A. It can be greater than the atomic number

Which pair of atoms are isotopes of each other?
a
oxygen-16 and oxygen-18
carbon-14 and nitrogen-14
iodine-131 and iodine-131
e
d
radium-222 and radon-222

Answers

Answer:

b sorry if im wrong

Explanation:

hope it helped

Which of the following d shell configurations is likely to be the best magnet?​

Answers

Answer:

D10 is answer

Explanation:

Magnetism can result from unpaired electrons in a given ion of an element, depending on the spin states of the electrons and d10 is fully filled

The d 10 is the d shell configurations which is most likely to be the best magnet.

What are configurations?

Configurations are defined as the way that parts are joined together to form the computer system. The arrangement of electrons scattered throughout the orbital shells and subshells is depicted by the electron configuration of an atom. Divide the periodic table into pieces to represent the atomic orbitals, the areas where electrons are stored, in order to determine an electron configuration. The s-block is represented by groups one and two, the d-block by groups three through twelve, the p-block by groups thirteen to eighteen, and the f-block by the bottom two rows.

Depending on the spin states of the electrons and whether or not d10 is completely filled, magnetism can emerge from unpaired electrons in a specific ion of an element.

Thus, the d 10 is the d shell configurations which is most likely to be the best magnet.

To learn more about configurations, refer to the link below:

https://brainly.com/question/13410673

#SPJ2

3. Except for the bolt, note the difference between the calculated volumes and the volume
found by the displacement method. Which method is more accurate? Why?

Answers

Answer:

Yes Because the calculated volume is more accurate because you are able to measure the smaller dimensions.

~Apex lab

WHAT MAKES ELECTRONS JUMP TO OTHER ORBITS AROUND THE NUCLEUS THEN FALL AGAIN​

Answers

Answer:

Explanation:

Electrons absorb energy in photons. This makes the eclectron excited. An electron in an excited state can release energy and fall to a lower orbit

(GIVING BRAINLIEST)
Balance each of the following chemical equations below

Answers

Explanation:

A.

AgNO₃ + KCl → AgCl + KNO₃ (Already Balanced)

B.

H₂O + SO₃ → H₂SO₄ (Already balanced)

C.

2KI + Cl₂ → 2KCl + I₂

D.

2NaHCO₃ → Na₂CO₃ + H₂O + CO₂

E.

Zn + 2HCl → ZnCl₂ + H₂

F.

BaCl₂ + Na₂SO₄ → BaSO₄ + 2NaCl

G.

C₃H₈ + 5O₂ → 3CO₂ + 4H₂O

H.

2Al + 3CuCl₂ → 2AlCl₃ + 3Cu

What is the main point of mutation ?
quick please !!

Answers

Answer: type of mutation that causes the replacement of a single base nucleotide with another nucleotide of the genetic material, DNA or RNA. The term point mutation also includes insertions or deletions of a single base pair.

Explanation:

Answer:

Mutation is important as the first step of evolution because it creates a new DNA sequence for a particular gene, creating a new allele.  

Explanation:

Mutations put new DNA combinations into a population

How can we gather more evidence about weather lava or water formed the channel on Mars

Answers

you can do that by scientific studies

Urgent please help!!
Which of these is a chemical property of a substance?
A) texture
B) ductility
C) reactivity
D) conductivity

Answers

Answer:

reactivity

Explanation:

Plz help or I get a zero!!!!!
Name the order of the planets from closest to the sun to farthest.
Sun, _________________, _________________, _________________, _________________,
_________________, _________________, _________________, _________________, Pluto
7. Name the inner planets.
Circle the correct term for inner planets: terrestrial (rocky) or gaseous
8. Name the outer planets.
Circle the correct term for outer planets: terrestrial (rocky) or gaseous

Answers

Answer:

Order: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

Inner Planets: Mercury, Venus, Earth, Mars

Outer Planets: Jupiter, Saturn, Uranus, Neptune

Explanation:

.

Which periodic gruop has the smallest atomic radiis

Answers

Answer:

Helium

Explanation:

What is the freezing point on this graph?

Answers

Answer:

Point a becuse it is the closest to -5*

Explanation:

Answer:

-5

Explanation:

Negative numbers get you confused.

- = Negative

5 = Number

You know 5 right?

I I I I I - 5

5 is a really less number already.

If you add a negative it will be double small.

Now lets figure out the problem:

What is the freezing point on this graph?

-5 is the smallest number

5 is bigger than -5

15 is bigger than 5 and -5

25 is bigger than all the numbers.

I know what your thinking. 25 is totally not the answer. Its the biggest number. Freezing is a very low number. What number is the lowest out of -5, 5, 15, 25. You see -5.

Therefore, -5 is freezing.


Which element has four times as many protons in its nucleus than are found in Neon?

Answers

Answer:

Zirconium, Zr, 40

Explanation:

Protons can be found by looking at the atomic number. Neon's atomic number is 10, so just multiply 10 by 4 and you get 40.

How much does a sample of C6H12O6 weigh if it contains 1.7 x 10^28 hydrogen atoms?

Answers

Answer:

Explanation:

Glucose  has    6  number  of  carbon  atoms,  12  atoms  of  oxygen  and   6  atoms  of  oxygen

The  total  number  of  glucose  atom is  24  atoms

The  atom  of  hydrogen is twice  that  of   carbon  

that  is (6.02 x10^22) x2=1.204 x10^23atoms

the  number  of  moles  of  hydrogen  is   solved  as   follows

1mole  =  6.02x10^23 atoms  what   about  1.204 x10^23=

{(1.204x10^23)/(6.02 x10^23)}=0.2moles

The  moles  of  glucose

1   atom  of   glucose=  6.02 x10^22  x4 =2.408 x10^23  atoms

moles= { (2.48 x10^23)/(6.02  x10^23)}=0.41moles

Hope this helped :)

A block weighing 13.15 grams has sides of 11.5 cm, 5.75 cm, and 8.44 cm. What is the density of the block in g/cm?
0.519 g/cm3
0.0236 g/cm3
42.4 g/cm
1.95 g/cm​

Answers

Answer:

B. or .0236

Explanation:

Multiply the 3 sides to get 558.095, then divide the mass and volume to get .0236

Alien Periodic Table

Answers

Answer:

IT IS REAL

Look it up

Answer:

look close the answers are circled in blue

the answer to number 2 is element #14, Yorkel

place the items in order from highest to lowest degree of internal organization.

tissue
organ system
organ
cell

Put them in order please PLEASE​

Answers

ddjjfjrjejdjfj figure. tjdiskwe. fjickeke

Answer:

I hope this helps! Can I have Brainliest plz :)

Explanation:

2) A student was working on an investigation to measure the relative activity
of an enzyme at various pH values. He collected the following data:
pH 2, enzyme activity 10; pH 8, enzyme activity 50;
pH 12, enzyme activity 10; pH 4, enzyme activity 20;
pH 6, enzyme activity 40; pH 10, enzyme activity 40

Answers

Answer:

THE LAST ONE

Explanation:

Question 4 (4 points)
Special bonds formed because of electrostatic interaction between molecules are called

A.intermolecular forces
B. intramolecular forces
C.permanent forces
D.magnetic forces

Answers

Answer:

A. intermolecular forces.

Intermolecular force hope it helps
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