covalent bonding
3 bonds
how many bonds does graphene form
negative 1
what charge does a chlorine have
platinum
what is the least reactive metal
a double bond
what call it when 2 atoms share 2 pairs of electrons
plus 2
what charge does a calcium ion have
shakin stevens
who wrote the song merry christmas everyone
positive
what charge does a cation have
reduction
what do you call the gaining of electrons
how many bonds does a carbon ion in a diamond form
1/1836
What is the relative mass of an electron
Because the ions can move freely
why does the electrolyte have to be aqueous/molten?
oxidation
what do you call the loss of electrons in a substance
Because the layers can slide past each other
why can graphite be used as a lubricant
NH4-
what is the formula of an ammonium ion
so that we can see that the circuit is working
why does a lightbulb need to be part of the circuit
anode
where do anions go to
Caesium
what is the most reactive metal
Because the forces between the layers are weak
why can the layers in graphite slide over eachother
Because a lot of force is required to break the bonds
why are the melting points of ionic bonds so high?
to lower the bauxites melting point
why is cryolite added to aluminium?
when the negative ion is not a halide
when would the hydroxide ion in an aqueous compound discharge
magnesium, barium, calcium
Which elements are in group 2?