Atomic Structure Practice

Front

How many electrons are in Aluminium?

Back

13

Front

Bromine has how many Neutrons?

Back

45

Front

How many Protons does Neon have?

Back

10

Front

How many Electrons does Mercury have?

Back

80

Front

How many neutrons does Cobalt have?

Back

32

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the mass number of an atom?

Back

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

Front

Define isotopes.

Back

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

Front

What is the charge of an electron?

Back

An electron has a negative charge of -1.

Front

What is the charge of a proton?

Back

A proton has a positive charge of +1.