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Test Description: Tial
Instructions: Answer all questions to get your test result.
1) What is the charge of an electron?
A
the same as the proton
B
negative
C
neutral
D
positive
2) What is the charge of the proton?
A
negative
B
neutral
C
The same as the electron.
D
positive
3) What is the atomic mass of an atom that has 11 protons, 11 electrons, 13 neutrons?
A
13
B
24
C
35
D
11
4) What element has an atomic number 20?
A
calcium
B
sodium
C
phosphorus
D
lithium
5) What element has the atomic number 11?
A
potassium
B
lithium
C
calcium
D
sodium
6) What is the name for the compound KCl?
A
potassium chlorine
B
krypton chloride
C
krypton chlorine
D
potassium chloride
7) What is the molar mass of sodium chloride?
A
58.44 g/mol
B
35.453 g/mol
C
78.45 g/mol
D
22.99 g/mol
8) How many moles are in 116.88 grams of sodium chloride?
A
3
B
1
C
4
D
2
9) What is a metric unit of mass?
A
liter
B
gram
C
particle
D
psi
10) What is an element that has luster, conducts heat and electricity, and usually bends without breaking?
A
metalloid
B
nonmetal
C
metal
D
halogen
*select an answer for all questions
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