Unit 3 Review

Front

How many electrons does Potassium have?

Back

Potassium has 19 electrons.

Front

Which statement is NOT true about protons?

Back

Protons are neutral.

Front

What is the nucleus?

Back

The nucleus is very dense, located in the center of the atom, and contains the majority of the mass.

Front

What is the isotope with 9 protons and 9 neutrons?

Back

Fluorine-18.

Front

Which hydrogen isotope is the most abundant?

Back

H-1.

Front

What is the charge of a proton?

Back

Protons have a positive charge.

Front

Where are protons located in an atom?

Back

Protons are located in the nucleus.

Front

What is the relationship between protons and atomic number?

Back

The number of protons is equal to the atomic number of an element.

Front

What particles are found in the nucleus of an atom?

Back

The nucleus contains protons and neutrons.

Front

What is an isotope?

Back

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