Question

1)an element can be represented as a)×zA b)×Az c)z×A d)zA× 2) the mass of electron is a)0.000548amu b)1.0072770amu c)1.008665amu d)1.008965 3) charge of neutron is a)+ve b)-ve c)no charge d)both a and b​

Answer 1

Answer:

1)xAz

2)0.000548amu

3)no charge