Which characteristics are common to the three isotopes of hydrogen?A: atomic number, atomic mass, and electron number
B: atomic mass, electron number, and number of neutrons
C: electron number, number of neutrons, and chemical properties
D: atomic number, electron number, and chemical properties

Answers

Answer 1

Answer: D should be the correct answer. isotopes are atoms that have the same atomic number (number of protons) but different atomic masses (number of protons and neutrons). isotopes also have the same number of electrons since atoms need to have equal numbers of protons and electrons to not be considered ions. Since the number of protons determines the chemical properties of the atom, we can say that all isotopes have the same chemical properties due to the fact that all isotopes have the same atomic number.

I hope this helps. Let me know in the comments if anything is unclear.

Related Questions

If a gas is heated from 263 to 298 k, the volume is 24 l to 35 l at 1.00 atm pressure. what is the final pressure?
A student is examining an object in science class. It is pale yellow,brittle solid, with no shine. The sample is most likely a—
Which element is likely to be the most brittle
At standard pressure when NaCl is added to water,the solution will have a
At constant volume, if the Kelvin temperature of a gas is doubled, the pressure of the gas is halved.A. TrueB. False

Which statement describes a chemical property that can be used to distinguish between compound A and compound B?(1) A is a blue solid, and B is a white solid.
(2) A has a high melting point, and B has a low melting point.
(3) A dissolves in water, and B does not dissolve in water.
(4) A does not burn in air, and B does burn in air.

Answers

(4) A does not burn in air, and B does burn in air is your answer. Flammability is a chemical property while the rest of these are physical properties.

Final answer:

The correct option is 4.

The ability of a compound to burn in air is a chemical property and can be used to distinguish between two compounds.

Explanation:

The statement that describes a chemical property which can be used to distinguish between compound A and compound B is: (4) A does not burn in air, and B does burn in air. Physical properties like color, melting point, and solubility (options 1, 2, and 3) are characteristics that can be observed without changing the substance into another substance. On the other hand, a chemical property describes how a substance interacts with other substances, including its flammability. Therefore, the ability or inability of a compound to burn in air would be a chemical property.

Learn more about Chemical Property here:

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Which of the following is an oxidation-reduction reaction?Fe2O3 + 3CO mc009-1.jpg 2Fe + 3CO2
CuSO4 + 2NaOH mc009-2.jpg Cu(OH)2 + Na2SO4
2NaOH + H2CO3 mc009-3.jpg Na2CO3 + 2NaOH
Pb(NO3)2 + Na2SO4 mc009-4.jpg 2NaNO3 + PbSO4

Answers

I think the correct answer is the first chemical reaction given. The reaction, Fe2O3 + 3CO = 2Fe + 3CO2, represents an oxidation-reduction reaction. This type of reaction involves the gaining and losing of electrons of the elements involved in a reaction where it is essential that as one is losing some electrons, the other is gaining the electrons lost.

Answer:

The correct option is: Fe₂O₃ + 3CO → 2Fe + 3CO₂

Explanation:

An oxidation-reduction reaction, also known as the redox reaction, is a chemical reaction in which there is simultaneous transfer of electrons from one species to another.

The species that gains electrons gets reduced. Whereas, species that loses electrons gets oxidized.

Among the given options, only reaction 1 is a redox reaction:

Fe₂O₃ + 3CO → 2Fe + 3CO₂

Reason- In this reaction, iron (Fe) gains electrons and gets reduced from +3 oxidation state in Fe₂O₃ to 0 oxidation state in Fe. Whereas, carbon (C) loses electrons and gets oxidized from +2 oxidation state in CO to +4 oxidation state in CO₂.

Since both the oxidation and reduction reactions are occurring simultaneously.

Therefore, it is an redox reaction.

What is the hardest form of carbon

Answers

The hardest form of carbon is diamond.

i believe the answer is diamond. hope this helps!

What is the [H+] of an HCl solution if the pH is measured to be 6? Select one: a. 1 X 10-7 M b. 1 X 10-6 M c. 6 X 10-6 M d. 8 X 10-1 M

Answers

Answer : The correct option is, $1* 10^(-6)M$

Explanation : Given,

The value of pH of HCl = 6

As we know that,

pH : It is defined as the negative logarithm of hydrogen ion or hydronium ion concentration.

The formula of pH is :

$pH=-\log [H^+]$

Now put all the given values in this formula, we get the concentration of hydrogen ion.

$6=-\log [H^+]$

$[H^+]=1* 10^(-6)M$

Therefore, the concentration of hydrogen ion is, $1* 10^(-6)M$

$pH=-\log_(10) [H^+] \Rightarrow [H^+]=10^(-pH) \n \npH=6 \n\ [H^+]=10^(-6)=1 * 10^(-6)$

The answer is B. 1 × 10⁻⁶ M.

What causes water molecules to be attracted to each other? A. Polar covalent bonds inside each water molecule
B. Hydrogen bonds inside each water molecule
C. Ionic bonds between water molecules
D. Nonpolar covalent bonds between water molecules

Answers

Answer:

Both polar covalent bonds inside each water molecule and hydrogen bonds inside each water molecule are liable for attraction between water molecules.

Explanation:

Water is a polar protic molecule.
Due to large difference in electronegativity between oxygen and hydrogen atom, two O-H bonds in water molecule are polar.
Due to the presence of polar covalent bonds in water molecule, water molecules attract each other through oppositely polarized ends.
In water molecules, H atom is attached with highly electronegative oxygen atom. Hence hydrogen bonding interaction arises between water molecules.
So, both option (A) and (B) are correct

This polarity makes water molecules attracted to each other. The oxygen-hydrogen bond in the alcohol molecule is also polar. But, the carbon hydrogen bonds in the rest of the alcohol molecule are nonpolar. In these bonds, the electrons are shared more or less evenly.

What volume will 20.0g of Argon occupy at STP?

Answers

Molar mass Argon = 39.948 g/mol

1 mol ------ 39.948 g
mol ----- 20.0 g

mol = 20.0 * 1 / 39.948

= 0.5006 moles

1 mol --------------------- 22.4 L ( at STP )
0.5006 moles ------------- L

L = 0.5006 * 22.4

= 11.21 L

hope this helps!

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