Welcome to the Science Quiz 173
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This is a timed quiz. You will be given 15 seconds per question. Are you ready?
Atom means
The ionic chemical formula of 'chlorine' is
As neutrons have electrical charge, they do not effect
An atom is electrically
The atomic number of helium is
Neutrons in an atom also affect the :
Steam is used to turn
The bond which comes to existence due to sharing of electrons is known as
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