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Review 1
Review 2
Review 3
Review 4
Review 5
100
Number 1 in Test Booklet
D) fluorine
100
Number 3 in the Test Booklet.
A) a chemical change because gas is released
100
Number 14 in the Test Booklet.
D) 16g + 128g = 144g
100
Number 25 in the Test Booklet.
A) 4
100
Number 27 in the Test Booklet.
D) Equal volumes of different substances usually have different masses.
200
Number 2 in the Test Booklet.
A) elements in Group 1 react violently in water
200
Number 12 in the Test Booklet.
B) green
200
Number 15 in the Test Booklet.
C) sodium and lithium
200
Number 24 in the Test Booklet.
D) limit the variables in order to understand what caused the event.
200
Number 28 in the Test Booklet.
C) salt water
300
Number 5 in the Test Booklet.
B) iodine and bromine
300
Number 9 in the Test Booklet.
B) the product has different properties than the original elements
300
Number 16 in the Test Booklet.
C) 3
300
Number 23 in the Test Booklet.
C) oxygen
300
Number 29 in the Test Booklet.
C) The liquids would layer with the least dense substance rising to the top.
400
Number 6 in the Test Booklet.
A) sodium and sulfur
400
Number 10 in the Test Booklet.
C) 3
400
Number 17 in the Test Booklet.
C) The elements react chemically to produce a compound with different properties than the original elements.
400
Number 22 in the Test Booklet.
C) In chemical changes, new substances with new properties are made; in physical changes, the substance is still the same but in a different form.
400
Number 31 in the Test Booklet.
C) Any hypothesis that states a possible outcome and reason why.
500
Number 7 in the Test Booklet.
A) silver
500
Number 11 in the Test Booklet.
D) compound
500
Number 18 in the Test Booklet.
D) Valence electrons
500
Number 19 in the Test Booklet.
D) The sodium and chlorine combined to form a compound.
500
Number 32 in the Test Booklet.
D) is the same as the iron that is used to make pots and pans, cars, trains, and steel.