C1-Atomic structure and the periodic table

Question 1

proton

Answer 1

relative mass 1 charge- +1

Question 2

neutron

Answer 2

relative mass- 1 charge- 0

Question 3

electron

Answer 3

relative mass-very small charge- -1

Question 4

isotope

Answer 4

an element with the same number of protons but a different number of neutrons

Question 5

compounds

Answer 5

two or more elements are chemically joined

Question 6

mixtures

Answer 6

no chemical bonds-elements are easy to separate

Question 7

filtration

Answer 7

to separate solids from liquids

Question 8

evaporation

Answer 8

separate a soluble salt from a solution-quicker way of separating out salt

Question 9

crystallisation

Answer 9

separate a soluble salt from a solution- slower way of separating out salt

Question 10

distillation

Answer 10

separating a liquid from a solution

Question 11

fractional distillation

Answer 11

used to separate crude oil from out crude oil into fractions

Question 12

halogens

Answer 12

non-metals (fluoride,chlorine,bromine,iodine)

Question 13

Plum pudding model

Answer 13

JJ Thomson

Question 14

separating out salt from rock salt

Answer 14

1. Grind the mixture of rock salt.
2. Add water and stir.
3. Filter the mixture, leaving the sand in the filter paper
4. Evaporate the water from the salt, leaving the crystals.