Isotopes & Ions

Front

Negative ions are called

Back

Anions

Front

When an atom LOSES an electron it is a

Back

Cation

Front

What is the net charge on the element Calcium (atomic number 20)?

Back

Cation +2 charge

Front

What is the number of neutrons in Calcium (atomic number 20, atomic mass = 40)?

Back

20

Front

How many neutrons does Lithium have (atomic mass = 6.94)?

Back

4

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.

Front

What is the charge of a cation?

Back

Positive charge.

Front

What is the charge of an anion?

Back

Negative charge.

Front

How do you determine the number of neutrons in an atom?

Back

Subtract the atomic number from the atomic mass.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.