1. because they have the same numbers of protons and electrons.
2. by the number of its protons and neutrons
3. yes, because the isotopes of an element also have the same number of electrons.
All scientists on Earth are human beings. That's the only thing you can say that applies to ALL of them.
Constant = straight line
“Travels at constant negative acc.”
Which is negative slope
Solution: B. Straight line w/ neg. slope
