What are atoms?
Molecules joined up
The building blocks that everything is made from
Mixtures of compounds
Not a clue
Atoms have a negative nucleus
If an atom loses an electron it becomes positively charged.
What is an ion?
Positively charged atoms
Neutral atoms
Negatively charged atoms
An atom with a net electric charge
I got no idea mate
An IONIC bond is where atoms share a pair of electrons and a COVALENT bond is where a positive and negative ion are attracted to one another and join together
What is the molecular formula of methane?
CH4
4CH
C4H
C4H4
What you on about?
How many of each atoms does methane contain?
4 Hydrogen, 4 Carbon
4 Carbon, 1 Hydrogen
4 Hydrogen, 1 Calcium
4 Hydrogen, 1 Carbon
I'm sorry you've lost me
What is the displayed formula of CH3 (CH2)2 CH3?
I don't understand this!
What is Na2CO3?
Magnesium carbonate
Sodium chloride
Calcium carbonate
Sodium carbonate
Nope, not getting this
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