Elements that there Electrons equal a multiple of 8 because then they become a noble gas.
It’s a synthesis reaction, which is when 2 or more substances react to form a single product.
I hope this helps
To express the answer of (6.93 x 10¹) (2.0 x 10-4) in scientific notation, it should be 1.4 x 10^-2. <span>To </span>multiply<span> two numbers expressed in </span>scientific notation<span>, simply </span>multiply<span> the numbers out front and add the exponents. I hope it helps. </span>
