The image above shows the electronic configuration of Y element. An element Y which is non-metallic element of Group 15. Element Y's gas is generally inert, nonmetallic, colorless, odorless and tasteless. This was discovered by Daniel Rutherford.
1. Name the element Y.
a. Argon
b. Neon
c. Helium
d. Nitrogen
2. What is the atomic number of Y?
a. 7
b. 6
c. 14
d. 15
3. What is the atomic weight of Y?
a. 12
b. 13
c. 14
d. 15
4. What type of bond is formed in diatomic molecule of Y?
a. Ionic bond
b. Single covalent bond
c. Double covalent bond
d. Triple covalent bond
5. Give the uses of Y.
a. used to make fertilisers
b. used to make nitric acid
c. Both option a and b
d. None
