Subatomic particles practice

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of an electron?

Back

Negative

Front

What is the charge of a neutron?

Back

Neutral

Front

What is the nucleus of an atom?

Back

The central part of an atom that contains protons and neutrons.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the relationship between protons and electrons in a neutral atom?

Back

They are equal in number.

Front

What is atomic mass?

Back

The total number of protons and neutrons in an atom.

Front

What are isotopes?

Back

Atoms of the same element that have different numbers of neutrons.

Front

What is the role of electrons in chemical bonding?

Back

Electrons in the outer shell participate in forming bonds between atoms.

Front

What is the difference between a cation and an anion?

Back

A cation is a positively charged ion, while an anion is a negatively charged ion.