Atoms elements and compounds

Atoms are made up of subatomic particles called

electrons have a ..............   charge

An element is a substance which is made up of only one type of 

if a substance is made up of different types of atoms it is called a

Scientists have listed all the different known types of atoms on what is called the 

The same element may have different numbers of neutrons. These are called...

All substances are made up of particles called

Atoms which gain or lose electrons are called 

Complete : the total number of protons and ............... is called the mass number.

the electronic configuration for carbon is

Positive ions are called

anions have a ............  Charge

complete the sentence: Protons have a ..............................   Charge

The number of protons in the nucleus is called the