Science Quiz 174

This is a timed quiz. You will be given 15 seconds per question. Are you ready?

To find out number of neutrons in an atom, we need to know the ?

Electron number

Proton number

Neutron number

Mass number

Correct! Wrong!

The name of physicist who discovered the nucleus of atom was

Earnest Rutherford

J. Chadwick

J.J.Thomson

Galileo

Correct! Wrong!

The symbol of potassium is

None of these

Correct! Wrong!

The attraction of two ions due to opposite charge is known as

Dative

Covalent bond

Metallic bond

Ionic bond

Correct! Wrong!

Neutrons in an atom also affect the :

Chemical properties

Physical properties

Thermal properties

Bonding properties

Correct! Wrong!

The symbol of "Boron" is:

None of these

Correct! Wrong!

Ionic bonds are

Weak bond

Very difficult to break

Easy break

None of these

Correct! Wrong!

Electrons have :

Negative Charge

Positive Charge

Both negative and positive

Neutral

Correct! Wrong!

Science Quiz 174

You Failed!

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