GEN CHEM QUIZ 2
Authored by Esthy Gacias
Science
12th Grade
Used 22+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
He is an Anglo-irish Philosopher who defined element as the simplest composition of matter.
ROBERT MILLIKAN
ROBERT BOYLE
JOSEPH PRIESTLY
ANTOINE-LAURENT LAVOISIER
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
I. Protons and electrons are the only particles that have a mass.
II. Protons and electrons have dissimilar charge.
First statement is true. Second statement is false.
First statement is false. Second statement is true.
Both statement are true.
Both statement are false.
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
The outer region of an atom contains all of the________?
Neutrons
Protons
Electrons
Nucleons
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
How many electrons are there in an atom if A is 197 and Z is 79?
276
118
197
79
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
One of the scientists in chemistry uses the "Dephlogisticated air" as an experiment. What element did he use in this experiment?
Mercury Dioxide
Oxygen
Carbon Dioxide
Mercury Oxide
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
The following are considered to be nonmetals, EXCEPT:
C
N
K
O
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What is A if the number of electrons is 13 and the number of protons is 13?
0
26
13
Cannot be determined
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