Chemistry
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Question 217
jamb 2002
a
The mass of a proton is 1840 times the mass of electron
b
the total mass of the protons in a particular nucleus is always half the nuclear size
c
The mass of a proton is one - twelfth the molar mass of carbon
d
The mass of a proton is 1.0008g
Question 220
jamb 2002
a
respiration, decay and combustion
b
photosynthesis, respiration and transpiration
c
ozone depletion, combustion and decay
d
photosynthesis, decay and respiration
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