Answer:A) noble gases
Explanation: key word gas. if you fart it smells and other gases harm.
2. random motion in vertical direction
Answer: The answer is A just answered it
Explanation:
Answer:
D.Tetrahedral
Explanation:
The central atom has 0 lone pair and 4 bond pairs. Hybridization is sp³. The geometry is tetrahedral which has an angle of 109.5°.
According to VSEPR theory, each molecule arranges itself such that it faces minimum repulsion and the given molecule is of type .
Therefore the answer will be D.
D.Tetrahedral