Answer:
I am pretty sure that it is A. H2.
Explanation:
Sorry if it's wrong.
Answer:
The bottom number on each element of the periodic table are called the 4f series or lanthanoids and 5f or actanoids. They are also called inner transition elements.
There are
A. 6 significant figures
B.5 sig figs
C.2 sig figs
D.5 sig figs
Combinations of different metals form alloys. An alloy composed by mercury and other metal (or metals) forms amalgam. When a true alloy is formed, the component metals are mixed together at a temperature which is greater than the melting point of all of them.Apr 7, 2017
Its the second one. Add the exponents and you'll get 7
