Question

atomic numers of the following elements are given below
A=8; B=7; C=17; D=11; E=20

1.State which of the above is a divalent metal.
2. State which of the above is a non metal.
3. State the type of bonding between two atoms of 'A'
4. State the type of bonding between 'D' and 'C'
5. State the number of covalent bonds formed in a molecule of 'B2'.​

Answer 1

Answer:

2.c,17 is n9n metal

3.double bounding