Minor Summative | Atoms and Elements

Front

An element is determined by the number of ________ in its nucleus.

Back

protons

Front

How many elements are there in the periodic table?

Back

118

Front

Each chemical element is made up of only one kind of ________.

Back

atom

Front

Chemists use letters of the alphabet as _________ for the elements.

Back

symbols

Front

What is the smallest unit of an element?

Back

atom

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 its nucleus.