13.1 Atoms and Elements & 13.2 Periodic Table

Question 1

What are elements and molecules

Answer 1

P2-3
Molecules: must be made up of non-metal, discrete atoms

Question 2

Chemical symbol of first 20 elements

Answer 2

P5

Question 3

Chemical formulae of diatomic elements and phosphorus and sulphur

Answer 3

Have no fear of ice cold beer
P6

Question 4

Physical properties of metals

Answer 4

9
P7

Question 5

Physical properties of non-metals

Answer 5

7
P8

Question 6

Exceptions to or examples of physical properties of metals or non-metals

Answer 6

Mercury
Sulphur (yellow solid)
Bromine (liquid)
Oxygen (gas)
Sodium (soft, low melting point below 100C)
Carbon non-metal: diamond hard, shiny, high mp and bp
Graphite conduct electricity
P7-8, 11

Question 7

Semi-metals

Answer 7

P8-9

Question 8

Atom structure

Answer 8

P12-14

Question 9

Atomic number and mass number

Answer 9

P16-18

Question 10

Ions and balanced half equations

Answer 10

why half?
P19-20 + notes (cations anions)
Change name when forming anions!

Question 11

Formation pattern of ions

Answer 11

Metal vs non-metal (lose vs gain)

Question 12

CHANGE NAMES FOR ANIONS!! IDE

Question 13

Charge pattern

Answer 13

Metals (grp 1-3) group number
Non-metals (grp 5-7) group number-8
Group 4: metals/semi-metals charge (+-)

Question 14

Application of elements

Answer 14

P28-29
0-7
HeLM/gAl/SiP/OC l

Question 15

Modern periodic table arrangement

Answer 15

Arranged 110+ elements in order of increasing atomic number

Question 16

Periodic groups

Answer 16

8 groups (0-7)
Elements in the same group have similar chemical properties, relativity of metal increases down the group