Handout Part 3

Question 1

Ionic compounds are formed from ________________________________________.

Answer 1

combining a positive and a negative ion/ combining a cation and an anion

Question 2

The colour of ionic compound results from _______________________________________________________________.

Answer 2

the combination of the colours of the two oppositely charged ions

Question 3

An aqueous solution of an iconic compound is coloured if ___________________________________________.

Answer 3

either one or both of the ions have colour(s)

Question 4

Name the charge, symbol and colour of a sodium ion.

Answer 4

+1, Na⁺, colourless.

Question 5

Name the charge, symbol and colour of a potassium ion.

Answer 5

+1, K⁺, colourless.

Question 6

Name the charge, symbol and colour of a silver ion.

Answer 6

+1, Ag⁺, colourless.

Question 7

Name the charge, symbol and colour of a hydrogen ion.

Answer 7

+1, H⁺, colourless.

Question 8

Name the charge and colour of a ammonium ion.

Answer 8

+1, colourless.

Question 9

Name the charge, symbol and colour of a magnesium ion.

Answer 9

+2, Mg²⁺, colourless.

Question 10

Name the charge, symbol and colour of a calcium ion.

Answer 10

+2, Ca²⁺, colourless.

Question 11

Name the charge, symbol and colour of a barium ion.

Answer 11

+2, Ba²⁺, colourless.

Question 12

Name the charge, symbol and colour of a zinc (II) ion.

Answer 12

+2, Zn²⁺, colourless.

Question 13

Name the charge, symbol and colour of a lead (II) ion.

Answer 13

+2, Pb²⁺, colourless.

Question 14

Name the charge, symbol and colour of a iron (II) ion.

Answer 14

+2, Fe²⁺, pale green.

Question 15

Name the charge, symbol and colour of a copper (II) ion.

Answer 15

+2, Cu²⁺, blue.

Question 16

Name the charge, symbol and colour of a nickel ion.

Answer 16

+2, Ni²⁺, green.

Question 17

Name the charge, symbol and colour of a manganese (II) ion.

Answer 17

+2, Mn²⁺, pink.

Question 18

Name the charge, symbol and colour of a aluminium ion.

Answer 18

+3, Al³⁺, colourless.

Question 19

Name the charge, symbol and colour of an iron (III) ion.

Answer 19

+3, Fe³⁺, yellow-brown.

Question 20

Name the charge, symbol and colour of a chromium (III) ion.

Answer 20

+3, Cr³⁺, green.

Question 21

Name the name, charge, symbol and colour of an ion formed by a fluorine atom.

Answer 21

Fluoride ion, -1, F⁻, colourless.

Question 22

Name the name, charge, symbol and colour of an ion formed by a chlorine atom.

Answer 22

Chloride ion, -1, Cl⁻, colourless.

Question 23

Name the name, charge, symbol and colour of an ion formed by a bromine atom.

Answer 23

Bromide ion, -1, Br⁻, colourless.

Question 24

Name the name, charge, symbol and colour of an ion formed by a iodine atom.

Answer 24

Iodide ion, -1, I⁻, colourless.

Question 25

Name the charge and colour of a permanganate ion.

Answer 25

-1, purple.

Question 26

Name the name, charge, symbol and colour of an ion formed by a hydrogen atom.

Answer 26

Hydride ion, -1, H⁻, colourless.

Question 27

Name the charge and colour of a hydroxide ion.

Answer 27

-1, colourless.

Question 28

Name the charge and colour of a nitrite ion.

Answer 28

-1, colourless.

Question 29

Name the charge and colour of a nitrate ion.

Answer 29

-1, colourless.

Question 30

Name the charge and colour of a hydrogencarbonate ion.

Answer 30

-1, colourless.

Question 31

Name the charge and colour of a hydrogensulphate ion.

Answer 31

-1, colourless.

Question 32

Name the name, charge, symbol and colour of an ion formed by a oxygen atom.

Answer 32

Oxide ion, -2, O²⁻, colourless.

Question 33

Name the name, charge, symbol and colour of an ion formed by a sulphur atom.

Answer 33

Sulphide ion, -2, S²⁻, colourless.

Question 34

Name the charge and colour of a chromate ion.

Answer 34

-2, yellow.

Question 35

Name the charge and colour of a dichromate ion.

Answer 35

-2, orange.

Question 36

Name the charge and colour of a sulphite ion.

Answer 36

-2, colourless.

Question 37

Name the charge and colour of a sulphate ion.

Answer 37

-2, colourless.

Question 38

Name the charge and colour of a carbonate ion.

Answer 38

-2, colourless.

Question 39

Name the name, charge, symbol and colour of an ion formed by a nitrogen atom.

Answer 39

Nitride ion, -3, N³⁻, colourless.

Question 40

Name the name, charge, symbol and colour of an ion formed by a phosphorus atom.

Answer 40

Phosphide ion, -3, P³⁻, colourless.

Question 41

Name the charge and colour of a phosphate ion.

Answer 41

-3, colourless.

Question 42

Ionic compounds are always named by writing _____________________________________________________.

Answer 42

writing the positive ion first, followed by the negative ion

Question 43

In the name of an ionic compound, positive ions which can have various charges would be _______________________________________. Which atoms form these ions?

Answer 43

named with its charge, in Roman numerals; atoms of transition metals.

Question 44

Name the ionic compound formed by Na⁺ and Cl⁻.

Answer 44

Sodium chloride.

Question 45

Name the ionic compound formed by the ions of Mg²⁺ and O²⁻.

Answer 45

Magnesium oxide.

Question 46

Name the ionic compound formed by the ions of Fe²⁺ and N³⁻.

Answer 46

Iron (II) nitride.

Question 47

Name the ionic compound formed by the ions of Al³⁺ and a permanganate ion.

Answer 47

Aluminium permanganate.

Question 48

What are the two main types of compounds?

Answer 48

Molecular compounds, ionic compounds.

Question 49

Does the charge of an ion change when its compound changes its physical state?

Answer 49

No.

Question 50

Which atom does not contain any neutrons?

Answer 50

Hydrogen atoms.