Option D, atomic number is the correct answer
Answer:
D. Atomic Number
Explanation:
All of the elements in the periodic table are arranged according to their atomic number.
What are the two general properties that define matter?
Answer:
Matter can be defined or described as anything that takes up space, and it is composed of miniscule particles called atoms. It must display the two properties of mass and volume.
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Which statement explains why some elements decay and others do not?
Answer:
C) Elements that decay have a proton to neutron ratio that is too high or too low.
Explanation:
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how many significant figures are in the number 3×10⁶
Answer:
1 significant figure
Explanation:
3×10^6 is 3,000,000
Non-zero digits are always significantAny zeros between two significant digits are significantA final zero or trailing zeros in the decimal portion ONLY are significantExample: .500 or .632000 the zeros are significant
.006 or .000968 the zeros are NOT significant
Which of the following is an example of an element? a brass b oxygen c rust d water
Answer:
A) Oxygen
Explanation:
An element is defined as something made of only 1 type of atom. Brass and rust are made up of many types of atoms, and water has two types of atoms, hydrogen and oxygen. Oxygen is made up of two oxygen atoms, which are the same element. So, by definition, oxygen is an element.
Answer:A
Explanation:
What is the average atomic mass of a sample containing three Lithium-6 atoms and two Lithium-7 atoms?
Answer:
3
Explanation:
what is homogeneous mixture?
A mixture is a portion of matter made up of two or more substances called constituents. Mixtures are the product of the mechanical joining of substances without change in chemical nature, and therefore, each constituent retains its properties.
the option 4
Ribosomes are cell structures that make
Ribosomes are cell structures that make protein. They are the primary site of the synthesis of protein. They are made up of protein and RNA.
What are ribosomes?Ribosomes are cell organelles scattered in the cytoplasm of the cell. They are tiny and round vesicles. They are present in both prokaryotic and eukaryotic cells. Furthermore, they are present freely in the cytoplasm. Ribosomes are also present near the endoplasmic reticulum.
Ribosomes are made up of RNA and protein, and they synthesize the protein in the cell. Ribosomes read the mRNA and by these codes of mRNA, it constitutes amino acids, that grow into a long chain of the protein.
Thus, ribosomes are the parts of cells that produce protein. They serve as the central location for protein production. They are composed of RNA and protein.
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Water is the ideal medium to have within our bodies BECAUSE it facilitates chemical reactions. a Both the assertion and the reason are incorrect. b The assertion is incorrect, but the reason is correct. c The assertion is correct, but the reason is incorrect. d The assertion and the reason are both correct, but the reason is invalid. e The assertion and the reason are both correct, and the reason is valid.
Answer:
The answer is D
Explanation:
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Explain the difference between terms "bonded" and "attracted'
bonded means that the two have come together and are attached together, wheras attracted means that the two like to come close to each other but are not put together
Match the vocabulary words with the correct definitions.
1.
equation
domain
3.
the variable representing the second elements of the
ordered pairs in a function; the outputs
2. the independent value, or x value
a relation where for any given input value there is only one
output value
the variable representing the first elements of the ordered
4.
pairs in a function; the inputs
a mathematical statement that shows two expressions are
5.
equal; has an equal sign
dependent variable
independent variable
function
Answer:
5 and 2 I think.
Explanation:
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i just wanted to say that the other person really did not help
Explanation:
What is the proof of the chemical reaction?
Answer: The chemical is disrupted, also most likely causing an explosion.
Explanation:
organize the following location's from the smallest to largest respectively
A.Texas
B.United states
C.North America
D.City of Mission
E.Hidalgo county
What is the stable end product of the decay of uranium 238
Lead
Explanation:
by emission of alpha particles
The end product of the decay of uranium 238 is Pb-206.
Heavy elements are generally grouped into four decay series which are; Thorium series, Uranium series and actinium series and Neptunium series.
These heavy elements decay via a series of α and β emissions until a stable nucleus is finally achieved. All these decay series usually terminate in a lead nucleus.
Uranium 238 belongs to the uranium decay series and terminates at Pb-206.
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Why can't sugar be found on the periodic table?
does anyone have any information about "trititanium pentoxide" or "titanium oxide"?
Answer:
Commonly available heat-storage materials cannot usually store the energy for a prolonged period. If a solid material could conserve the accumulated thermal energy, then its heat-storage application potential is considerably widened. Here we report a phase transition material that can conserve the latent heat energy in a wide temperature range, T<530 K and release the heat energy on the application of pressure. This material is stripe-type lambda-trititanium pentoxide, λ-Ti3O5, which exhibits a solid–solid phase transition to beta-trititanium pentoxide, β-Ti3O5. The pressure for conversion is extremely small, only 600 bar (60 MPa) at ambient temperature, and the accumulated heat energy is surprisingly large (230 kJ L−1). Conversely, the pressure-produced beta-trititanium pentoxide transforms to lambda-trititanium pentoxide by heat, light or electric current. That is, the present system exhibits pressure-and-heat, pressure-and-light and pressure-and-current reversible phase transitions. The material may be useful for heat storage, as well as in sensor and switching memory device applications.
Explanation:
Which element would be the least similar to magnesium
Answer:
Chemistry Q&A Library decide which element probably forms a compound with chlorine that has a chemical formula most and least similar to the chemical formula of the compound formed by chlorine and magnesium most and least similar to magnesium:strontium,rubidium,phosphorus, cesium
Explanation:
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If its density is 34 g/ml, what is the mass of 120.0 ml of the liquid?
Answer:
The answer is 4080 gExplanation:
The mass of a substance when given the density and volume can be found by using the formula
mass = Density × volumeFrom the question
volume = 120 mL
density = 34 g/ml
We have
mass = 34 × 120
We have the final answer as
4080 gHope this helps you
crystal structure of argon
Answer:
Solid argon is stable in the face-centered cubic structure at all temperatures, but it is found that it can also crystallize in a metastable form with hexagonal close-packed structure. ... Small amounts of nitrogen, oxygen, or CO stabilize the hcp phase at temperatures near the melting point.
Explanation:
A cart has a mass of 35kg and a speed of 1.2m/s. What is its kinetic energy
Answer:
The answer is 25.2 JExplanation:
The kinetic energy of an object can be found by using the formula
[tex]KE = \frac{1}{2} m {v}^{2} \\ [/tex]
where
m is the mass
v is the velocity
From the question we have
[tex]KE = \frac{1}{2} \times 35 \times {1.2}^{2} \\ = 17.5 \times 1.44 [/tex]
We have the final answer as
25.2 JHope this helps you
Answer:
25.2 J
Explanation:
Using the kinetic energy formula:
KE = [tex]\frac{1}{2}[/tex]m v²
Plug in the given values:
KE = [tex]\frac{1}{2}[/tex] (35 kg) · (1.2 m/s)²
KE = [tex]\frac{1}{2}[/tex] (35) · 1.44
KE = 17.5 · 1.44
KE = 25.2 J
There is a kinetic energy of 25.2 Joules.
I need help please
Answer: If you think about it, B. would be the most reasonable answer with the given factors.
what type of ions are the atoms Mg and Na expected to be? why?
Answer:
its C
Explanation:
just took the quiz
It is a mixture that consists of a liquid solvent and dissolved solute.
Answer:
A solution is a homogeneous mixture consisting of a solute dissolved into a solvent . ... The solute is the substance that is being dissolved, while the solvent is the dissolving medium. Solutions can be formed with many different types and forms of solutes and solvents.
Answer:
A solution is a homogeneous mixture consisting of a solute dissolved into a solvent .
Explanation:
Why is hydrogen peroxide sold in opaque plastic bottles?
it's not a very stable compound
Physical Science A 20-21 - Spencer / Basics of Physical Scier
1. Decide which of the following is the best observation.
The dog ate the bone hiding.
The dog ate the bone hiding under the tree.
The dog ate the bone hiding under the shady tree.
The dog ate the bone.
Answer:
The dog ate the bone hiding under the shady tree.
Explanation:
The best observation is that the dog ate the bone hiding under the shady tree. This is because it provides the most graphic details about the position and activities of the dog.
With this choice, we can properly picture the dog and the relationship it has with the tree. The more information we know about a subject of investigation, the better an observation it affords. Such a well informed observation will make analysis much better.Answer:
The dog ate the bone hiding under the shady tree.
Explanation:
It has the most detail :)
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Why are electron filling orders not the same between the first and the last two elements of group 6B?
Answer:
This primarily has to do with the balance of energy between the orbitals. The aufbau principle states that the order of energy regarding electrons in the orbitals from lowest to highest is so the electron in the atom will minimalize it's energy. Periods on the periodic table are based on the energy level while the groups have the same amount of valence electrons. The outer orbitals are refered to as shells. The elements are particularly arranged depending on their atomic and molecular orbitals. Valence electrons most determine the chemical properties of an element. The atomic number is based on the number of protons.please helppp!!!
Consider the following intermediate chemical equations.
C(s) +202(g) → CO(g)
CO(g)+302(g) → CO2(g)
How will oxygen appear in the final chemical equation?
O O2(g) as a product
O O2(g) as a reactant
O O(g) as a product
O 20(g) as a reactant
O₂(g) as a reactant
Further explanationIn chemical reactions, there is a reaction between reagents and products
Reaction:
aA + bB ⇒ cC
Substances A and B are called a reactants
Substance C is called a product
In the above reaction:
Reactants: C, O₂ and CO Products: CO and CO₂CO functions as a product in the first reaction and functions as a reactant in the second reaction
In the final chemical equation :
CO(g)+30₂(g) → CO₂(g)
O₂ is on the left so it is called the reactant
Answer: B. O₂(g) as a reactant
ito ang kontinenteng nagtataglay ng pinakamaraming bansa sa lahat ng kontinente
Answer:
Africa
Explanation:
Ang Africa ay ang kontinente na mayroong pinakamataas na bilang ng mga bansa sa lahat ng mga kontinente.
Kasalukuyan, ang bilang ng mga bansa sa kontinente ay 54, ito ay 53 bago ang South Sudan ang pinakabagong sumali.
Ang bilang na ito ay pinaniniwalaang tataas sa mga darating na taon dahil sa kaguluhan ng iba't ibang mga segment sa ilang mga bansa para sa kalayaan
i need help Which of the following shows the correct order in which organs take part in the process of digestion
Answer:
Mouth
Esophagus
Stomach
The small intestine
Colon (large intestine)
Rectum
Which timeline best shows the history of the development of cell theory? 1665 1838 Schleiden 1855 Hooke VirchowN 1600 1700 1676 1800 1900 1839 Schwann Leeuwenhoek 1665 Hooke 1838 1855 Schleiden Virchow 1700 1800 1900 1676 Leeuwenhoek 1830 Schwann 1665 1838 1855 Hooke Leeuwenhoek]Virchow O 1600 1700 1676 1900 1839 Schwann Schleiden 1665 1838 1855 O Virchow Schwann Hooke 1700 1800 1676 1839 1900 Leeuwenhoek Schleiden.
Answer:
Schleiden, Schwann, and Virchow
Explanation:
A component of the cell theory is that all living things are composed of one or more cells.
A component of the cell theory is that the cell is the basic unit of life.
A component of the cell theory is that all new cells arise from existing cells.
Answer:
B is right edg 2021
Explanation:
PLEASE explain your answer!!!!
Answer:
Explanation: confusing