Chem review

Front

Is potassium a cation or an anion?

Back

Cation

Front

What is the charge of an atom that has gained one electron?

Back

-1

Front

What is the charge of a proton?

Back

Positive

Front

What particles are located in the nucleus of an atom and have no charge?

Back

Neutron

Front

Balance the equation: __Al + __Fe3N2 --> __AlN + __Fe

Back

2,1,2,3

Front

What is the charge of an electron?

Back

-1

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the difference between an ionic bond and a covalent bond?

Back

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

Front

What is the principle of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed.

Front

What is a mole in chemistry?

Back

A mole is a unit that measures the amount of a substance, equal to 6.022 x 10^23 particles.