Question

pls solve this fast ​

Answer 1

Answer:-

1. (i) - C, (ii) - A, (iii) - D, (iv) - B

2. The maximum number of electrons that can be accomodated in each cell is 8.

Metals have 1,2 or 3 electrons in their valence shell.

Isotopes are the atoms of elements having same atomic number but different mass number.

Isotopes differ in the number of neutrons.

Protons and Neutrons are collectively called nucleons.

3. False. The atomic number is determined by the total number of electrons surrounding the nucleus.

False. Protons are positively charged.

True.

False, Helium is an exception to an octet.

True.

4. Option C (Ions.)

Option A (Oxidising agent.)

Option A (Valence electrons.)

Option B (Atomic number.)

Option A (Helium)

5. (i) Single Covalent bond

(ii) Ionic bond

(iii) Single Covalent Bond.

(iv) Triple Covalent bond.