Write The molecular formula Of The following substances in the given pattern 1. ferrous oxide
2. silicon chloride
3. barrium nitrate
4. calcium hydroxide

1. FeO

2.

3. Ba(NO3)2

4. Ca(OH)²

Explanation:

sorry I didn't knew of no 2 the others were on my book but not that one, and of no 4 the power 2 must be down

Answer : The correct option is, H is the cation.

Explanation :

The general formula of an acid is represented as, in which 'H' is hydrogen cation and 'X' is a non-metal or a poly-atomic anion.

For example : etc.

All the acids produces hydrogen ion, in an aqueous solution while the base produces hydroxide ion, in an aqueous solution.

Hence, the correct answer is, H is the cation.