2. Magnesium atom loses 2 electrons in its valence shell to
(a) Neon
(b) Argon
(c) Helium
3. Sulphur atom gains 2 electrons in its valence shell to acquire a stable
(a) Helium
(b) Neon
(C) Argon
4. The bond formed between a calcium ion and oxide ion is
(a) Covalent
(b) Tonic
(c) Covalent as well as ionic
(d) Coordin
5. The bond between two nitrogen atoms in a nitrogen molecule is:
(a) Ionic
(b) Single covalent (c) Double
6. An ionic bond is formed between two different elements, the difference
(a) very lage
(b) very small
(c) almost
7. The electronegativity of two elements in the same period is 2.5 and 3. T
them is
(a) Ionic
(b) Covalent
(c) Coordin
8. The ionisation potential to two elements E, and E, in the same period is
bond formed between them is :
(a) Ionic
(b) Covalent
(c) Polar va
Answer:
Magnesium atom loses 2 electrons in its valence shell to – Helium .
Sulphur atom gains 2 electrons in its valence shell to acquire a stable – Argon .
The bond formed between a calcium ion and oxide ion is – Ionic .
The bond between two nitrogen atoms in a nitrogen molecule is – Double .
An ionic bond is formed between two different elements, the difference – Almost .
The electronegativity of two elements in the same period is 2.5 and 3. T them is – Covalent .
The ionisation potential to two elements E, and E, in the same period is
bond formed between them is – Covalent .