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Atomic anotmy
By the Numbers
100

Found in the nucleus, this subatomic particle has a neutral charge and a mass of approximately 1 AMU.

What is a Neutron?

100

A number assigned to an element that indicates the total number of electrons an atom gains, loses, or shares when bonding.

What is an Oxidation Number?

100

Elements that are poor conductors of heat and electricity, often being dull or brittle gases and solids.

What are Nonmetals?

200

The vast, mostly empty region surrounding the nucleus where electrons are most likely to be found.

What is the Electron Cloud?

200

This subatomic particle has a negative charge and a mass so small it is usually considered negligible.

What is an Electron?





200

Elements hugging the staircase line that share properties of both metals and nonmetals.

What are Metalloids?

300

This number represents the total number of protons in the nucleus of an atom.

What is the Atomic Number?

300

The total number of protons and neutrons combined in an atom's nucleus.

What is the Mass Number?





300

A positively charged ion formed when an atom loses one or more electrons.

What is a Cation?