CHP 2 Flashcards
1
Q
What do the 2 numbers mean: CARBON 6 C 12.011
A
- atomic #
- atomic mass
2
Q
isotopes
A
have more neutrons/weigh more
3
Q
Carbon-14 use?
A
radiocarbon dating
4
Q
Why form chemical bonds?
A
to be stable
5
Q
electronegativity
A
to be considered polar
6
Q
what atoms can form hydrogen bonds?
A
highly electronegative - N/O/F
7
Q
Electronegativity of nonpolar
A
> 0.0 but <0.4
8
Q
Electronegativity of polar
A
> 0.4 but <2.1
9
Q
Electronegativity of Ionic
A
> 2.1
10
Q
protons=
electrons=
neutrons=
A
protons=+
neutrons=o
electrons=-