Ions
What charge does a cation have?
What is Positive?
Name: NaCl
What is Sodium Chloride?
Bond between metal and non-metal
What is ionic bonding?
Acid + Base --> ?
What is salt + water?
What type of reaction breaks a compound?
What is a decomposition reaction?
What charge does an anion have?
What is negative?
Name: MgO
What is Magnesium mono-oxide?
Bond between two non-metals
What are covalent bonds?
What is salt + hydrogen gas?
What is the gradual destruction of a metal by chemical reaction with oxygen (e.g. rusting)?
What ion does sodium form?
What is Na+?
Name: CaCO3
What is calcium carbonate?
Bonds in metals where electons are delocalised (free)?
What are metallic bonds?
Acid + Carbonate --> ?
What is salt + water + carbon dioxide?
Name the gas released when metal carbonates decompose
What is carbon dioxide?
What ion does oxygen form?
What is O2-?
Name: CuO
What is Copper Oxide?
Which bond involves the sharing of electrons?
What are covalent bonds?
Word Equation: Hydrochloric acid + magnesium -->
What is magnesium chloride + hydrogen gas?
What is needed for iron to rust?
What is water and oxygen?
Why do atoms form ions?
What is to gain a fuller outer shell (and become stable)?
Write the formula for aluminium sulfate?
Al2(SO4)3
Why are metals good conductors of electricity?
Because they have delocalised electrons that can move freely and carry charge.
How can you test for carbon dioxide gas?
What is the limewater test? (turns milky)
Give a balanced equation for decomposition of water (H2O)?
What is 2H2O --> 2H2 + O2