Answer:
Nitrogen has an atomic number of 7 (Z=7) because it has 7 protons in its nucleus.
I think that's what you're looking for
?? I can always be wrong.
Good luck, hope this helped!
Answer:














hope this helps
sorry, I don't know how solve the 12th one.
thanks.
Slope = (y2-y1) / (x2-x1)
= (-4-20) / (6-4)
= (-24) / (2)
= (-12)
The slope of the line is (-12)
Answer:
X=62
Step-by-step explanation:
68.5+49.5=118
180-118=62