Question

1)HOW MANY SERIES OF d-block ELEMENTE ARE THERE IN PERIODIC TABLE?
a)three
b)four
c)five
d)two

2)_____ energy is required to break the electrostatic force of attraction
a)high
b)low
c)average
d)moderate​

Answer 1

Answer:

hope this helps you

Explanation:

1. 4 is the answer(b)

2.low is the answer (b)