What is the definition of an ion?

An Ion is an electrically charged particle.

How is an ion formed?

It is formed by losing or gaining electrons through chemical reactions.

It is formed through protons chemically reacting together.

It is formed by neutrons chemically reacting with electrons.

average mass of isotopes of the elements Ar=-------------------------------------------------------------- 1 X mass of 1 atom of carbon-12 __ 2

total mass of atoms Ar=-------------------------------- 2 X oxygen atom

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1What is the definition of an ion?
1. AAn Ion is an electrically charged particle.
2. BAn ion is a neutral particle
2How is an ion formed?
1. AIt is formed through protons chemically reacting together.
2. BIt is formed by losing or gaining electrons through chemical reactions.
3. CIt is formed by neutrons chemically reacting with electrons.
3Positive ions are called...
1. ACat ions
2. BAn ions
3. CPolar
4What is a negative ion called....
1. AAn ions
2. BCat ions
5what is the chemical equation for relative atomic mass?
1. A average mass of isotopes of the elements
  Ar=--------------------------------------------------------------
  1 X mass of 1 atom of carbon-12
  __
  2
2. B total mass of atoms
  Ar=--------------------------------
  2 X oxygen atom