Answer:
yes
Explanation:
molecule, a group of two or more atoms that form the smallest identifiable unit into which a pure substance
Answer:
0.21mol Ar (g)
Explanation:
To convert from litres to moles at STP we must divide the amount of litres by 22.4.
4.7 / 22.4 = 0.21mol Ar (g)
Answer:
4 significant digits
Explanation:
Zeroes placed between other digits are always significant
The sort of adaptations that are usually passed to the offspring of an organism is the adaptation that helps it survive in its environment.
This picture represents electrons
