Atomic Theory Remediation Assignment

Front

Which subatomic particle has a neutral charge?

Back

Neutrons are subatomic particles that have no charge.

Front

When an atom loses a valence electron, it becomes a(n) _____________ ion.

Back

When an atom loses a valence electron, it becomes a positive ion.

Front

If a neutral atom of Boron has 5 protons and 5 electrons, how many electrons would a +3 cation of Boron have?

Back

A +3 cation of Boron would have 2 electrons.

Front

How many neutrons does lithium have?

Back

Lithium has 4 neutrons.

Front

What are atoms with the same number of protons but different numbers of neutrons?

Back

Atoms with the same number of protons but different numbers of neutrons are called isotopes.

Front

What is the charge of a proton?

Back

Protons have a positive charge.

Front

What is the charge of an electron?

Back

Electrons have a negative charge.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is a cation?

Back

A cation is a positively charged ion formed when an atom loses one or more electrons.

Front

What is an anion?

Back

An anion is a negatively charged ion formed when an atom gains one or more electrons.