Answer:
C.
Explanation:
Because it decreases from October trough december
3rd one:
it is very reactive because it does not have a full Valence shell.
this is because it's in group 1 so it has one electron in its outer shell, and it wants to have a full outer shell ( which it can gain by losing the electron in a reaction).
Hope this helps :)
KauCl4 :
K = + 1
au = + 7
Cl = - 2
hope this helps!
Answer:
Explanation:
The elements in Group I of the periodic table are called alkali metals. They are called alkali metals because they react with water to form alkali solutions. These metals are very reactive; hence they have to be stored under oil to protect them from corrosion by air and waterwaterwater
The Answer is D. Suspending a heavy weight with a strong chain.
