It's simple.
the number of protons in an atom never changes. And also, the no of protons is its atomic number.if you look up the periodic table, you will find a number on the top - left corner of each of the boxes. This is the atomic number.No 2 same elements on the periodic table have the same atomic number. So, all you have to do is search for a box that has the number 13 on it.
and by the way ... the element which you're searching for is Aluminium
<span>the electron configuration ... Write the ground-state electron configuration of alead atom. 1. [Xe] 4f 145d...</span>
Answer:
C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(g)
Explanation:
Answer:
0.0005482
Explanation:
The zeros in front of the 5 are placeholders and do not count as sig figs.