Ions & Isotopes

Front

What is a negatively charged ion that has gained electrons?

Back

Anion

Front

What do different isotopes of an element contain different numbers of?

Back

Neutrons

Front

If an atom has a charge of 0 (neutral) and an atomic number of 8, how many electrons does it have?

Back

8

Front

How many neutrons does an atom of the isotope Neon-22 have?

Back

12

Front

How many electrons are in an atom with an atomic number of 34, an atomic mass of 74, and a charge of -2?

Back

36

Front

What is the definition of an isotope?

Back

Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons.

Front

What is a cation?

Back

A positively charged ion that has lost electrons.

Front

What is the atomic number of an element?

Back

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

Front

What is the difference between atomic mass and atomic number?

Back

Atomic mass is the weighted average mass of an element's isotopes, while atomic number is the number of protons in the nucleus.

Front

What is the charge of a neutral atom?

Back

0