What is the mass of an atom that has 7 protons, 7 neutrons, and 7 electrons
1 answer:
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!
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Answer:
30+(2x+7)+63=180(sum of angles of triangle )
30+2x+7+63=180
2x+100=180
2x=180-100
x=80/2
x=40
The answers are
1: False
2: True
3: True
4: False
Is there supposed to be an image? Adjacent is adjoining, so like touching each other. Vertical is "up". Horizontal is "side"
Answer:
A=28.27
Step-by-step explanation:
