Which statement is correct?
the number of electrons of a neutral atom always equals the number of protors
aomic weight is identical to atomic mass
the number of neutrons always equals the number of protons
the number of neutrons always equals the number of electrons

The virus is considered to be are living item since they have hereditary material dnas or rnas. they can imitate and change. they respond to boosts, for example, radiation, chemicals, and warmth. they have antigenic properties. they are proficient to duplicate with a same hereditary constituent.