Chemistry - Ionic Compounds

Question 1

What do ionic compounds form

Answer 1

ionic compounds form giant structures - Giant Ionic Lattice

Question 2

What is every Positive surounded by in a giants ionic lattice

Answer 2

Every positive is surrounded by negetives and vice versa

Question 3

What are giants ionic lattices dimentions

Answer 3

3 D

Question 4

In a Sodium chloride giants ionic lattices whats the structure and whats the positive and negatives

Answer 4

In a sodium chloride lattice Every positive sodium ion is next to a negitive chloride ion

Question 5

What do the positive and negatives create in a giant ionic lattice ? and whats it called

Answer 5

The positive and negative create very stong electrostatic forces of attraction - They hold the P and N ions in place - Called an ionic bond

Question 6

What are ionic compounds melting points like

Answer 6

Ionic compounds have very high melting and boiling points

Question 7

Why do ionic compounds have very high/boiling melting points

Answer 7

Because the strong electrostatic forces of attraction require a great deal of heat energy to brake

Question 8

Why cant ionic compounds conduct electricity when solid

Answer 8

the ions are locked in place by the strong electrostatic forces of attraction

Question 9

When can ionic compounds conduct electricity

Answer 9

They can conduct electricity when melted or dissolved in water - Because the ions can move now

Question 10

What conducts electrons or ions

Answer 10

its not the electrons that conduct its the ions

Question 11

Whats the rule for ionic compounds

Answer 11

In an ionic compound , the charges on the ions have to cancel out to leave an overall charge of zero

Question 12

Work out sodium chloride
Na+ Cl-

Answer 12

NaCl

Question 13

Why cant we have 2 sodiums or 2 chloride in sodium chloride

Answer 13

Because then it wont cancel out and become a cherge of zero
= Na2Cl+ or = NaCl2-

Question 14

Work out sodium oxide
Na + O 2-

Answer 14

= Needs 2 soduim ions to cancel out
= Na2O

Question 15

Work out Calcium hydroxide
Ca 2+ OH-

Answer 15

= Needs 2 Hydroxide ions to cancel out
Ca(OH)2

Question 16

Work out Magnesium Nitrate
Mg 2+ NO3 -

Answer 16

=Needs 2 Nitrate atoms to cancel out
= Mg(NO3)2

Question 17

Whats the rule for a charge of an atom ion

Answer 17

Each charge of an atom is based on there group

Question 18

Give examples for the rule of charge in a atom ion

Answer 18

Na+ is in group 1
Mg 2+ is in group 2
Al 3+ is in group 3

Question 19

What metals dont follow this pattern of charge in a ion

Answer 19

Transitional Metals

Question 20

how to find the group of a non metal ion

Answer 20

O -2 is in group 6
F - is in group 7

Question 21

What are some non metals that arent negative ions ?

Answer 21

H+ - hydrogen ion
NH4 + - Ammonium