Answer:
Ionic size increases from top to bottom within the group.
Explanation:
- Ions are formed when neutral atoms of elements gain or lose electron(s).
- The ionic radius is the distance from the nucleus of an ion to the outermost energy level.
- The ionic size or radius increases down the group as the number of energy level increases.
- Therefore, an ion of an element lower in the group will be larger than the ion of an element higher in the group.
- For example, an ion of potassium, K+, is larger in size compared to the ion of sodium, Na+ since K+ has more energy levels than Na+.
The pure substance of water mixes with the waste. The waste does not dissolve into the water, therefore it is a mixture.
Answer:
Explanation:
The oxidation state of S is (-2) and that of Mg is (+2) since Mg loses two electrons to S
There’s no element with symbol M
