Atom
State the charge on a proton
+1
State how many electrons are in a hydrogen atom
1
State what the periodic table contains
Elements
Name Group 1
alkali metals
State the product when sodium reacts with oxygen
Sodium oxide
State the charge on an electron
-1
State how many electrons are in a fluorine atom
9
State who came up with the periodic table
Mendeleev
Name Group 7
Halogens
State the product when lithium reacts with oxygen
Lithium oxide
State the 3 components of an atom
Protons, electrons, neutrons
State the electronic configuration of lithium
2.1
Describe what Mendeleev did that was different
Left gaps for undiscovered elements
Give two properties of Group 0
Gases
Unreactive
State the product when beryllium reacts with fluorine
beryllium fluoride
State the mass of a:
a. Electron
b. Neutron
a. 0.0005
b. 1
State the electronic configuration of magnesium
2.8.2
Describe what group number tells us
The no of electrons on the outer shell
State the colour and state of bromine
Brown liquid
State the product formed when calcium reacts with carbon and oxygen
Calcium carbonate
Describe why atoms have an overall charge of 0 (2)
Same number of protons and electrons, so cancel each other out
Draw the electronic configuration of chlorine
[Teacher do on board]
Describe what period number tells us
The number of shells
Describe the trend in reactivity as you go down Group 1
Increases
State the product formed when potassium reacts with sulphur and oxygen
potassium sulphate