Answer:
14/6
Explanation:
U 2 can help me by marking as brainliest........
13 - Periodic table
14 - Dimitri mandeleev
15 - groups
Mark me brainiest pls it right answer
It will have traveled 0.78 m. You find this by multiplying .013 by 60
Answer:
The first energy level is closest to the nucleus. The second energy level is a little farther away than the first. ... The electrons in the energy level farthest from the nucleus are called valence electrons. Atoms in the same column (group) in the periodic table have the same number of valence electrons.
Explanation: