Ions and Ionic Compounds

Question 1

What is an Ionic Compound?

Answer 1

It is created by two ions (one positive and one negative) that are attracted to one another. It generally contains a metal and a non-metal.

Question 2

How can you find the formula for an Ionic Compound?

Answer 2

You simply increase the number of ions until you get a neutral compound. This then gives you the formula.

Question 3

What is an ion?

Answer 3

An ion is a particle that is similar to an atom, but is charged. An ion has a different number of electrons to protons, and it is thus charged either positively or negatively.

Question 4

Why do atoms lose and gain electrons and become ions?

Answer 4

They do this to get a full outer shell of electrons.

Question 5

How do you know what ion, an element will create?

Answer 5

The column of the periodic table that it is in will tell you. However, for a transition metal, there will be a latin number next to the element to tell you the ion.

Question 6

What is the formula for the ion hydroxide?

Answer 6

OH -

Question 7

What is the formula for the ion nitrate?

Answer 7

NO3 -

Question 8

What is the formula for the ion carbonate?

Answer 8

CO3 2-

Question 9

What is the formula for the ion sulfate?

Answer 9

SO4 2-

Question 10

What is the formula for the ion ammonium?

Answer 10

NH4 +

Question 11

How can you name an ionic compound?

Answer 11

You name it as ‘metal ion, non-metal ion’.

Question 12

How can you name an ion?

Answer 12

For a metal, the name stays the same. A non-metal will have an -ide put on the end of the element.