chemistry
more chemistry
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chemistry is hard...
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100
What are the 3 particles that make up an atom?
proton, electron, neutron
100
How many protons does Nitrogen have?
7
100
How many significant digits does 3.2 have?
2
100
What is Superman's weakness?
Kryponite
100
What is the name of the group 0 elements?
noble gases
200
What is the atomic number of chlorine?
17
200
Which fast food restaurant has the slogan 'I'm lovin' it'?
Mc Donalds
200
Is solubility a physical or chemical property?
physical
200
What is the equation for density?
D = M/V
200
Does sharing electrons happen in an ionic or molecular compound?
molecular compound
300
Convert 120cm to m.
1.20m
300
Which group in the Periodic table is least reactive?
Noble gases
300
What is the name of CaO?
calcium oxide
300
Is density a qualitative or quantitative property?
quantitative
300
In your best Darth Vader voice, say "Luke, I am your father"
:)
400
What is an isotope?
An atom with the same number of proton, and a different number of neutrons
400
Which element is more reactive: Cl or I?
I
400
What is one club that Ms. Data does at SIS?
STUCO, yoga, PTPI, Trekking
400
What is the ionic charge of nitrogen?
-3
400
Which scientist's model of the atom has mostly empty space, with a small, dense, positively charged nucleus in the centre.
Rutherford
500
What is the formula for: Beryllium nitride?
Be3N2
500
The slogan "Malaysia truely asia" is for which country?
Malaysia
500
Which scientist discovered electrons?
Thomson
500
What is the Periodic table arranged in order of?
Atomic number
500
What is needed for an element to be a good conductor of electricity?
The electrons must be 'free' (able to move)
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