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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
bottom to top
B
Left to right
C
right to left
D
both 1 and 3
2) If an atom gaines an electron it has a ____ charge.
A
zero
B
negative
C
positive
D
neutral
3) A positive charge on an electron means that it ____ electrons.
A
lost
B
didn't gain or lose
C
gained
D
added
4) Do group 2 elements gain or lose electrons?
A
gain
B
lose
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 how many valence electrons an element has
D
Show what period the element is in
7) How many valence electrons does Na have?
A
2
B
8
C
1
D
3
8) How many valence electrons do all elements want?
A
1
B
8
C
7
D
6
9) Cations ___ electrons.
A
double
B
lose
C
multiply
D
gain
10) Anions ____ electrons.
A
gain
B
multiply
C
lose
D
double
*select an answer for all questions
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