Ions and Isotopes Kiley Logan 1 2024

Front

What happens to an atom when it becomes negatively charged?

Back

It gains an electron.

Front

Which isotope of lithium has 4 neutrons?

Back

Li-7.

Front

How are two atoms of different elements always different from one another?

Back

By the number of protons.

Front

What are cations?

Back

Cations are positive ions that form when atoms lose electrons.

Front

What is the difference between two isotopes of the same element?

Back

They differ in the number of neutrons and atomic mass.

Front

What is an ion?

Back

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

Front

What is 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 the charge of an anion?

Back

An anion is a negatively charged ion.

Front

What is the charge of a cation?

Back

A cation is a positively charged ion.

Front

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

Back

Subtract the number of protons (atomic number) from the atomic mass.