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Exam 2 Review A Chem3A Flashcards | StudBud
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Exam 2 Review A Chem3A
Exam 2 Review A Chem3A
20 terms
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Introductory Chemistry Questions
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
Chlorine is an alkaline earth metal
False
True
2
The number 5.0100 has five significant figures
True
False
3
The chemical symbol for Silver is Si
True
False
4
Ernest Rutherford discovered the nucleus
False
True
5
The prefix milli represents 0.001
True
False
6
All things are made of atoms and molecules
False
True
7
Gamma rays have a shorter wavelength than radio waves
True
False
8
An ionic compound is between two metals
False
True
9
Boyle's Law states that pressure is inversely proportional to volume, with temperature constant
False
True
10
The chemical symbol for gold is Au
True
False
11
The Greek philosophers used observation and experimentation to understand the world
True
False
12
A theory is always true and can never be proven wrong
True
False
13
John Dalton proposed the atomic theory
False
True
14
A scientific theory is the equivalent of an opinion
True
False
15
When an atom loses an electron it becomes a cation
False
True
16
Iron rusting is a chemical change
False
True
17
In the number 345.16, the number of uncertain digits is 1
False
True
18
Mg4(CO4)5 has 20 oxygen atoms
False
True
19
HClO
3
is known as chloric acid
True
False
20
The combined gas law is P
1
V
1
= P
2
V
2
False
True
