Q1;Unstable atoms are unstable due to. * 1 Are unstable because of increasing the number of

2 All of them

3 Are also known to be radioactive atoms.

Q2;Covalent and metallic bonds are known to be formed through sharing the electrons. *

TRUE
FALSE

Q3; Florine (9 e) which belongs to group 17 can also turn into an ion which is . *

1) f +1

2) f -1

3) f

Q4;The is known to be separated from all the elements in the periodic table since it has different/ specific characteristics *

1- Halogen

2- Hydrogen

3- heleium