Answer:
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Explanation:
The electron configuration of Br- is [Ar] 3d10 4s2 4p6
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Answer:
2
Explanation:
CO₂ shows that there are 2 oxygen molecules. Also, the name Carbon Dioxide. This shows there is One Carbon and Two Oxygen molecules from the naming system.
Answer:
A
Explanation:
Lanthanides share the following common properties: Silvery-white metals that tarnish when exposed to air, forming their oxides. Relatively soft metals. Hardness increases somewhat with higher atomic number.
Some offspring may be tall, some may be short, and some may be medium medium sized.
Ice starts to melt and turns into water as it melts
