Answer:
Its 19.
Explanation:
K (potassium) has 19 electron according to the atomic number in the periodic table. The atomic number tells you the number of protons and electrons.
I think it is the bottom left :)
Answer:
C-The principal because he or she controls all the activity in the school
Answer:
7. Why is the d-block one energy level behind the s-block? Also, why would the f-block be so far behind?
me to
Explanation:
