Answer:The elements have the same number of electrons in the outer ring so they react with the same substances
They are arranged by their atomic mass.
Answer:
C
Explanation:
This is a correct answer i think soo
Answer:
One of the errors for low percentage of magnesium could be because not all the magnesium may have reacted.
Explanation:
During the heating process, if the magnesium have not reacted completely, it can lead to low percentage of magnesium in the oxide formed. The product may still look a bit greyish rather than whitish after the heating process.
Answer:
good question..... lemme think now LOL
