metals and non metals

Question 1

Definition - ion

Answer 1

an atom or group of atoms with a positive or negative charge as a result of an imbalance of protons and electrons.

Question 2

definition - ionic bonding

Answer 2

the electrostatic force of attraction a positive metallic ion has for a negative non-metallic ion.

Question 3

metal attributes?

Answer 3

high melting points, good conductors of electricity, good conductors of heat, high density, malleable, ductile, readily lose electrons solid at room temperature, shiny

Question 4

non metal attributes?

Answer 4

dull appearance, poor conductors of heat and electricity, non ductile solids, brittle solids, neither tough nor strong

Question 5

metalloids?

Answer 5

have a solid state of matter, low elasticity, brittle, physical appearance is similar to metals, metallic luster

Question 6

Ammonium

Answer 6

NH4 (+1)

Question 7

Carbonate

Answer 7

CO3 (-2)

Question 8

Hydroxide

Answer 8

OH (-1)

Question 9

Nitrate

Answer 9

NO3 (-1)

Question 10

Sulphate

Answer 10

SO4 (-2)

Question 11

Copper (II) ion

Answer 11

Cu (2+)

Question 12

Lead (II) ion

Answer 12

Pb (2+)

Question 13

Iron (III) ion

Answer 13

Fe (3+)

Question 14

Iron (II) ion

Answer 14

Fe (2+)

Question 15

Zinc (II) sulphate

Answer 15

ZnSO4

Question 16

Sodium nitrate

Answer 16

NaNO3

Question 17

Lithium sulphide

Answer 17

Li2S

Question 18

Silver iodide

Answer 18

Agl

Question 19

Calcium oxide

Answer 19

CaO

Question 20

Why are noble gases unreactive in terms of electronic configuration?

Answer 20

The atoms of noble gases (group VIII) already have a complete outer shell, so they have no tendency to lose, gain or share electrons.

Question 21

Precipitation?

Answer 21

2 solutions of soluble salts mix to produce an insoluble salt precipitate. Occurs when ions in solution combine to form a new compound of low solubility in water.

Question 22

Alkali metals group?

Answer 22

1

Question 23

Alkali earth metals group?

Answer 23

2

Question 24

Noble gases group?

Answer 24

8

Question 25

Halogens group

Answer 25

7

Question 26

Monoatomic?

Answer 26

consisting of 1 atom in the molecule

Question 27

Diatomic

Answer 27

consisting of 2 atoms