This is a timed quiz. You will be given 15 seconds per question. Are you ready?
15
The symbol of "Boron" is:
Correct!
Wrong!
The symbol of potassium is
Correct!
Wrong!
Ionic bonds are
Correct!
Wrong!
Electrons have :
Correct!
Wrong!
The attraction of two ions due to opposite charge is known as
Correct!
Wrong!
To find out number of neutrons in an atom, we need to know the ?
Correct!
Wrong!
Neutrons in an atom also affect the :
Correct!
Wrong!
The name of physicist who discovered the nucleus of atom was
Correct!
Wrong!
Science Quiz 174
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