Conservation Of Charge worksheets
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Q. Why do ionic bonds form?
answer choices
so the number of protons equals the number of electrons
to fill the outermost energy level
so an atom can become unstable
Q. An electron has what kind of charge?
answer choices
no charge
positive
negative
it depends
Q. An atom that has gained or lost electrons is called ...
answer choices
a winner
an isotope
an ion
a loser
Q. Atoms that gain electrons become...
answer choices
negatively charged
positively charged
remain neutrally charged
21
Q. If an aluminum atom has 13 protons (+) and 10 electrons (-), what is it's charge?
answer choices
Al3+
Al13+
Al10+
Al10-
Q. If an oxygen atom has 8 protons (+) and 10 electrons (-), what is it's charge?
answer choices
O10-
O8+
O2-
O10+
Q. The attraction between oppositely charged ions is called a(n) _______________.
answer choices
ionic bond
polyatomic ion
Q. What is the charge on a noble gas & why?
answer choices
0; they don't exchange electrons
+1; they give away an electron
-1; they gain an electron
1; they form only single bonds
Q. An ionic bond is the attraction between:
answer choices
oppositely charged ions
similarly charged ions
neutral ions
neutral atoms
Q. What type of elements will form an ionic bond?
answer choices
Metals + Metals
Nonmetals + Nonmetals
Metals + Nonmetals
None of the above
Q. To form a charge of +2 an atom must _ electrons. To form -3 it must _ electrons.
answer choices
Gain 2; Lose 3
Gain 3; Lose 2
Lose 2; Gain 3
Lose 3; Gain 2
Q. What is the name given to the outermost electron(s)?
answer choices
outside electrons
plutonian electrons
ionic electrons
valance electrons
Q. Ionic bonds form because
answer choices
Two ions of the same charge are attracted to each other
Two ions of different charges are attracted to each other
Two atoms share their electrons
Two or more atoms share protons
Q. An ionic bond may or may not include a metal.
answer choices
True
False
Q. An ionic bond involves two elements...
answer choices
Transferring electrons
Sharing electrons
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