Question

a) Fill in the blanks:
i) The horizontal rows in periodic table are called_________
ii) Going across a period left to right atomic size._________
iii) When cuo reacts with hydrogen__________
is reduced.
iv) Symbolic representation for a molecule is called____________
is combined capacity of an atom or a radical.
V__________ is the combined capacity of an atom or a radical.​

Answer 1

Answer:

1)period

2)decreases

3)cu+ h2o

4)chemical formula

5)valency

Answer 2

Answer:

Explanation:periods

Decreases

CuO

Formula

Valency