Answer:d
Explanation:I’m not 100% sure how to explain it but I’m almost for sure it’s d.
Answer:
105
Explanation:
Density = mass/volume
therefore volume = mass/density
826/7.9=105 (To three significant figure)
The answer is Noble gas because they have a full octet
Explanation:
both reduction and oxidation are occurring simultaneously, this is known as a redox reaction. An oxidizing agent is substance which oxidizes something else. In the above example, the iron(III) oxide is the oxidizing agent. A reducing agent reduces something else
Answer:
10
Explanation:
In image
Take atomic mass or molar mass
of Al =27