Q.1
What is a mass spectrometer? *

Q.3
How many entities does one mole contain? *

Q.8
Which of the following molecules is polar? *

Q.2
What is the periodic law? *

Q.5
In which ways does atomic radius increase? *

Q.4
Which is the weakest intermolecular force? *

Q.7
What does it mean if a molecule is polar? *

Q.6
What is an example of nuclear radiation? *