5.1 Flashcards
1
Q
Charge, mass, location, role of proton
A
charge +1
mass 1 amu
location nucleus
role determine identity of atom
2
Q
Charge, mass, location, role of nuetron
A
charge 0
mass 1 amu
location nucleus
role holds together the nucleus
3
Q
Charge, mass, location, role of electron
A
charge -1
mass 0
location aroud nucleus
role resposibile for reactivity
4
Q
whats an isotope?
A
an element that has the same number of protons but different number of nuertons
4
Q
- +
A
attract
5
Q
- -
A
repel
6
Q
+ +
A
repel
7
Q
if distance if changed by x1/3
A
x9
8
Q
if difference in charge between two particles is x2x
A
x2
9
Q
whats electroneagativity
A
measure of tendacy of atom to attract electrons
10
Q
11 protons, 12 nuetrons, 10 electrons
A
sodium
mass of 23
charge of +1
11
Q
A
