What is the name given to an atom that has become charged?

Which subatomic particle has an atom lost or gained in order to become an ion?

What charge will an ion have if it has lost electrons?

The noble gases are chemically inert. What does chemically inert mean?

What charge do non-metal ions usually have?

protons = 10,  neutrons = 10,  electrons = 10

protons = 11,  neutrons = 12,  electrons = 10

protons = 12,  neutrons= 12,  electrons = 12

protons = 9,  neutrons = 10,  electrons = 10

Which of the following ions would have a positive charge?

Key stage 4

Why elements react

Atoms of elements contain equal numbers of protons and {{}}.

A change in the number of which subatomic particle changes the element? 

What would the electronic configuration for an element with 17 electrons be?

How does the size of atoms change as you go down a group in the periodic table?

In which group of the periodic table would you find these elements: helium, neon, argon and krypton?