Atomic Structure, Isotopes and Ions WW

Front

If an atom loses electrons, what happens to its charge?

Back

The charge becomes positive.

Front

Which atom has 4 neutrons?

Back

Li-7.

Front

What type of elements typically form cations?

Back

Metals.

Front

All atoms of the same element must contain the same number of _____________.

Back

Protons.

Front

What is the atomic number of carbon?

Back

6.

Front

Define an isotope.

Back

Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons.

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.

Front

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

Back

Subtract the atomic number from the mass number.

Front

What is the mass number of an atom?

Back

The mass number is the total number of protons and neutrons in the nucleus of an atom.