4.1 Flashcards
(13 cards)
1
Q
Charge of a proton?
A
+1
2
Q
0 Charge is which subatomic particle?
A
neutron
3
Q
charge of an electron?
A
-1
4
Q
Number of protons and neutrons added up
A
atomic mass
5
Q
Isotopes
A
when the same element has a different number of electrons
6
Q
which subatomic particle is not in the nucleus
A
electron
7
Q
how much amu is a proton
A
1 amu
8
Q
Identifies an atom
A
proton
9
Q
reactions
A
electrons
10
Q
keeps nucleus together
A
neutrons
11
Q
Why are isotopes important?
A
to check for flaws
12
Q
the atomic number is also the
A
number of protons
13
Q
If you have the atomic mass and number of hydrogen to just one proton and neutron with a negative ion, what can we infer?
A
That there is more than one electron that makes it that way
