Answer:
C. Valence electrons
Explanation:
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Answer:
The si unit used to measure weight is kilogram /kg
Answer:
I think beaker three will take longer to boil since there is more water present,compared to the other beakers
It is avogrado number. One molecue of magnesium has 6.023 x 10^23 atoms
<u>Answer:</u> The products of the reaction will be 
<u>Explanation:</u>
Single displacement reaction is defined as the reaction in which more reactive element displaces a less reactive element from its chemical reaction.
The general chemical equation for the single displacement reaction follows:

The given chemical equation follows:

Bromine element is more reactive than iodine element. Thus, can easily replace iodine from its chemical reaction.
Hence, the products of the reaction will be 