Although many characteristics are common<span> throughout the </span>group<span>, the heavier metals such as Ca, Sr, Ba, and Ra are almost as reactive as the </span>Group<span> 1 Alkali Metals. All the </span>elements<span> in </span>Group 2 have two<span> electrons in their valence shells, giving them an oxidation state of +</span><span>2.</span>
Answer:
d
When hydrogen atoms merge to form helium atoms, the helium atoms have slightly more mass than the hydrogen atoms that combined to make them.
The Main reason Dorothy might use a succes strategy is so that she can succed
Last One.... If Im not Wrong!
Burning of Fossil Fuels, Increase the CO2 And therefore the Green Effect!!