A. Give the Names of the Following Ions

question 13

Essay

a. Give the names of the following ions:
(i) O₂^2-
(ii) SO₄^2-
b. Write down the formulas of the following ions:
(i) ammonium
(ii) nitrate

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Definitions:

Payback Period

The time it takes for an investment to generate enough revenue to recover the original cost.

Annuity

An investment product offering a regular payout to a beneficiary, commonly employed to generate a steady income for those who are retired.

Net Cash Inflow

The difference between all cash receipts and all cash payments over a period of time, showing the net increase or decrease in cash.

Time Value of Money Concept

The principle that money available now is worth more than the same amount in the future due to its potential earning capacity.