The proper name is Barium chloride
A half-life. This term can be seen in carbon dating when unstable carbon-14 isotopes turn into nitrogen-14 isotopes
Answer: According to the reactivity of metals Sodium is the second metal while Magneesium is the fourth metal. The metal in the top of the reactivity serise table are more reactive.
<em>(The series obtained by the arrangement of metals in the decending oder of their reactivity is the REACTIVITY SERIES TABLE)</em>
Explanation:
K
<u><em>Na</em></u>
Ca
<u><em>Mg</em></u>
Al
Zn
Fe
Sn
Pb
H
Cu
Hg
Ag
Pt
Au
Therefore Sodium is more reactive than Magnesium
Answer:
Molecules in the hot water bottle are
moving faster than molecules in the skin.
Explanation:
If the molecules in the skin were to be moving faster than the water then the water would seem to be cold.
