Build an Atom

Front

How many electrons does a neutral atom of oxygen have?

Back

8

Front

Ions are atoms with a ____________

Back

charge

Front

Isotopes are atoms of the same element with different ____________

Back

mass

Front

What does the '4' tell us in an atomic symbol?

Back

number of protons

Front

A neutron ____________

Back

has mass

Front

What is the charge of a proton?

Back

positive

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

Front

What is the mass number of an atom?

Back

the total number of protons and neutrons

Front

What is the difference between an atom and a molecule?

Back

An atom is a single unit of an element, while a molecule is a group of two or more atoms bonded together.