2.1 Review: Flashcards
1
Q
Isotope:
A
Variants of the same element with different mass.
same # protons, different # neutrons
2
Q
Valence Electrons:
A
Electrons in the outer ring of electron cloud
3
Q
Valence Electrons: (Why are they important?)
A
They participate in chemical reactions
4
Q
Less common isotopes can be used as tracers? T/F
A
True
5
Q
Less common isotopes can be used as tracers because..
A
they react the same to chemical reactions
6
Q
A
7
Q
A
8
Q
A
9
Q
A
10
Q
A
11
Q
A
12
Q
isotope
A
variants of the same element with different mass #, same proton #, different neutron #
13
Q
why are valence e- important
A
they participate in chemical reactions
14
Q
valence electrons
A
electrons in outer ring of cloud
