Chemistry A Final Review SHORT

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds with other atoms.

Front

What type of bond involves the transfer of valence electrons?

Back

Ionic bonds involve the transfer of valence electrons from one atom to another.

Front

How do you calculate the molar mass of an element?

Back

To calculate the molar mass of an element, look at the atomic mass listed on the periodic table.

Front

What is the chemical equation for the decomposition of sodium chlorate?

Back

The decomposition of sodium chlorate is represented by the equation: @@NaClO_3 ightarrow NaCl + O_2@@.

Front

What is the definition of a decomposition reaction?

Back

A decomposition reaction is a type of chemical reaction where one compound breaks down into two or more simpler products.

Front

How many neutrons are in the isotope Carbon-14 (C-14)?

Back

Carbon-14 has 8 neutrons.

Front

What are the three states of matter?

Back

The three states of matter are solid, liquid, and gas.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons between atoms.

Front

What is Avogadro's number?

Back