1. Define the following terms :
(a) Atoms
(b) Molecules
(c) Radicals
(d) Valency
(e) Periodic table
2. Write the names of the elements present in
following compounds.
(a) Common salt (b) Ammonia
(c) Sulphuric acid (d) Glucose
(e) Sodium hydroxide (f) Acetic acid
which element is present in ammonia?
Answers
Answered by
5
1.
(a) Atoms are small particles which make up all matter
(b) When 2 or more atoms are joint together, it makes up Molecules
(c) When an atom has one minus electrons, (This can be due to bonding) its called Radicals
(d) The electrons needed to complete the octet state is called Valency
(e) The arrangement of elements in a particular fashion is the (modern) Periodic table
2.
(a) Sodium + Chlorine
(b) Nitrogen + Hydrogen
(c) Hydrogen + Sulfur + Oxygen
(d) Carbon + Hydrogen + Oxygen
(e) Sodium + Hydrogen + Oxygen
(f) Carbon + Hydrogen + Oxygen
Mark as brainliest!
Similar questions