12➡6➡3➡1.5
① ② ③
3 half life = 252
half life = 84days
<span>The value of enthalpy of a reaction can be a useful tool in determining the type of reaction it is. If the enthalpy is negative the reaction is exothermic and if the enthalpy is positive the reaction is endothermic. Hope this answers the question. Have a nice day.</span>
trucks need to be grounded for many reasons. One of the safety precautions is they reinforce the tank and put stay back stickers to prevent explosion.
Explanation:
common sense
It doesn't take much energy to remove one electron from a sodium atom to form an Na+ ion with a filled-shell electron configuration. The first ionization energy of magnesium is larger than sodium because magnesium has one more proton in its nucleus to hold on to the electrons in the 3s orbital.
Answer:
The answer is larynx. I believe it is anyways. Sorry if i'm wrong.