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Video 1
Test Description: Hi
Instructions: Answer all questions to get your test result.
1) What is a valence electron
A
exchange or sharing of electrons between 2 or more atoms
B
thay already have a full set of valence electrons
C
s and p electrons in the outer most energy levels/shell that are most likely to be involved in chemical bonding
D
that atoms can have more stable elctrons configuration like the noble gases
2) what is chemical bonding
A
s and p electrons in the outer most energy levels/shell that are most likely to be involved in chemical bonding
B
that atoms can have more stable elctrons configuration like the noble gases
C
exchange or sharing of electrons between 2 or more atoms
D
thay already have a full set of valence electrons
3) why does chemical bonds occur
A
that atoms can have more stable elctrons configuration like the noble gases
B
thay already have a full set of valence electrons
C
s and p electrons in the outer most energy levels/shell that are most likely to be involved in chemical bonding
D
exchange or sharing of electrons between 2 or more atoms
4) why does group 18 elements not want to bond with other elements
A
s and p electrons in the outer most energy levels/shell that are most likely to be involved in chemical bonding
B
exchange or sharing of electrons between 2 or more atoms
C
thay already have a full set of valence electrons
D
that atoms can have more stable elctrons configuration like the noble gases
5) what type of electrons are involved in boding
A
electrons
B
neutrons
C
valence electrons
D
proton
6) what rule explains why atoms want to from bonds
A
octet rule
B
Hunds rule
C
Niels Bohr rule
D
Lewis dot structure rule
7) How many more electrons does Flourine need to be full
A
2
B
1
C
4
D
3
8) How many more elcetrons for phosphorous need to be full
A
3
B
1
C
2
D
4
9) how many more does aluminium need to be full
A
0
B
5
C
4
D
6
10) how many more Neon need to be full
A
5
B
3
C
0
D
6
*select an answer for all questions
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