PT basics & Atomic Theory

Front

In a neutral atom, the number of electrons is equal to the number of _______.

Back

Protons

Front

What subatomic particle determines the name of the element?

Back

Proton

Front

Which of the following atomic symbols for bromine is written correctly?

Back

Br

Front

What is at the center of every atom?

Back

a nucleus

Front

What does D represent on an element box?

Back

Atomic Mass

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, Electrons

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of a neutron?

Back

Neutral

Front

What is the charge of an electron?

Back

Negative

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.