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Ions
Test Description: Valence electrons, understanding how cations and anions form.
Instructions: Answer all questions to get your test result.
1) Electronegativity increases from...
A
right to left
B
both 1 and 3
C
bottom to top
D
Left to right
2) If an atom gaines an electron it has a ____ charge.
A
zero
B
neutral
C
positive
D
negative
3) A positive charge on an electron means that it ____ electrons.
A
didn't gain or lose
B
lost
C
gained
D
added
4) Do group 2 elements gain or lose electrons?
A
lose
B
gain
5) Valence electrons are those in the ____.
A
1st energy level
B
most inner energy level
C
outer most energy level
6) Electron dot diagrams ____.
A
Show how many protons and neutrons an element has
B
shows the mass of the element
C
Show what period the element is in
D
show how many valence electrons an element has
7) How many valence electrons does Na have?
A
8
B
2
C
3
D
1
8) How many valence electrons do all elements want?
A
8
B
1
C
6
D
7
9) Cations ___ electrons.
A
multiply
B
gain
C
double
D
lose
10) Anions ____ electrons.
A
double
B
multiply
C
gain
D
lose
*select an answer for all questions
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