6.02 x 1023
3.01 x 1023
8.43 x 1024
1.20 x 1024
Correct answer is A
No explanation has been provided for this answer.
The number of particles in one mole of a chemical compound is the
atomic number
avogadro's number
mass number
oxidation number
Correct answer is B
No explanation has been provided for this answer.
Which of the following molecules is not linear in shape?
CO2
O 2
NH3
HCI
Correct answer is C
No explanation has been provided for this answer.
In bonded atoms, increase in electronegativity difference,
increases polarity
decreases polarity
has no effect on polarity
brings the polarity to zero
Correct answer is A
No explanation has been provided for this answer.
Which of the following arrangements is in order of increasing ionization energy?
AI, Si, P, S
Si, AI,S,P
S,P,Si,AI
P, Si,S,AI
Correct answer is A
No explanation has been provided for this answer.