HU02A Unit Exam Review
Authored by Bill Habiger
Chemistry
10th Grade
Used 1+ times
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71 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main effect of changing the number of electrons in an atom?
changes the element
changes the mass only
changes the charge only
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What model of the atom?
quantum model of the atom
Bohr's model of the atom
de Broglie's model of the atom
Rutherford's planetary or nuclear model of the atom
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
TRUE or FALSE: In Dalton's Atomic Theory, he claimed that "All matter is composed of atoms". Is this still considered true?
True
False
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which subatomic particle(s) are in the region around the nucleus?
electrons
protons
neutrons
protons and neutrons
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which group of elements are the most reactive nonmetals?
halogens
alkali metals
alkali earth metals
noble gases
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elements in group 1A will form ions with what charge?
+1
+2
-2
-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much bigger is the atom compared to the nucleus?
10 times bigger
100 times bigger
1000 times bigger
100 000 times bigger
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