It can not be answered without experimental data.
<span>The superscripts in an electron configuration represents the number of electrons and protons in an element. </span>
<u>Conversion Factors:</u>
1.61 km = 1 mile
60 sec = 1 min
60 min = 1 hour
<u />
Use dimensional analysis to solve.
× 
× 
× 
× 
= 36 miles/hour
If done properly, you should be left with the units <em>miles/hour</em>
<em />
Answer:
Anything not on the periodic table is an element non example! ... So, for a substance to be an element, all of its atoms must have the same number of protons. Examples of elements include hydrogen, lithium, nickel, and radium.
Explanation:
