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GNUR 160 Exam 1
GNUR 160 Exam 1
32 terms
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Questions
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Answers
1
Convert 200 Ms to ns
2,000,000,000 ns
2,000,000 ns
2,000 ns
200,000 ns
2
A typical mercury thermometer has 0.039 mL of mercury in it, what mass of mercury is in it? (Mercury Density: 13.6 g/mL)
0.0035 g (Hg)
12 g (Hg)
0.112 g (Hg)
0.0029 g (Hg)
3
What is Anthony's special talent???????
I can play the clarinet
I am a Starbucks barista
I can perform a crow pose in yoga
I am a genius
4
Determine the atomic mass of B
2
O
3
Given that Boron's mass is (10.81 u) and Oxygen's mass is (about 16 u)
118.9 u
75 u
69.6 u
26.3 u
5
Which formula is represented by Germanium (Ge) Dioxide
Ge2O2
O2Ge2
GeO
GeO2
6
Chopping wood is an example of a chemical change.
False
True
7
A law is a general statement that explains a large number of observations?
False
True
8
Leading zeroes are significant (when talking about sig figs)
True
False
9
Electrons float away from the center of the nucleus because they weigh less than protons and neutrons.
False
True
10
What is the modern atomic theory?
The concept that atoms play a fundamental role in chemistry
That a nonmental and metal make an ionic compound
That water boiling is an example of a physical change
That elements are molecules
11
How many sig figs are in 3,600,835,000
9
7
10
11
12
Which is a property of an acid?
conducts electricity well
brittle at room temperature
Solid in cold
Bitter upon taste
13
How many sig figs are in the number 3,000,000,000,001?
12
8
13
2
14
Which of these qualifies as matter?
The word apple
Thoughts
Love
Mercury (Hg)
15
Convert 30 L to kl
0.03 kl
0.003 kl
0.3 kl
4 L
16
Chemistry is the study of interactions with other matter and energy
True
False
17
Helium (He), a halogen found in group 8 is a metal
False
True
18
Convert 67 F
o
to Kelvins
292.1 K
292.6 K
212 K
356 K
19
Name the acid: HNO
3
Hydrogen nitrogen trioxide
Nitric acid
Hydroxy Nitrogen acid
Hydro Nitric acid
20
Chose the formula and name for the ionic compound: Mg
2+
and Cl
-
MgCl2, Magnesium Dichloride
MgCl Magnesium Chloride
Mg2Cl2 Dimagnesium Dichloride
Mg2Cl Dimagnesium Chloride
21
Chose the three components described in the nuclear model
mole
Neutron
Electron
Proton
22
When looking at a periodic table, we separate metals and nonmetals using the diagonal line
True
False
23
Name this compound: P
4
O
10
Tetraphosphorous Decaoxide
Hexaphosphorous Decaoxide
Phosphorous Decaoxide
Decaoxide Tetraphosphide
24
Convert 52.09 km/hr to m/s (meters per second)
26.7 m/s
8.88 m/s
12.67 m/s
14.47 m/s
25
What is a molecule?
A group of atoms bonded together
Two seperate elements combined
Something in chemistry
A compound with an overall positive or negative charge
26
The statement: A farmer has 15 eggs is a qualitative statement?
False
True
27
What is an ionic bond?
A nonmental + a metal
a metal + a metal
a transitional metal + a metal
a nonmetal + a nonmetal
28
Express 2.80 x 10
-4
in standard notation
0.0028002
0.280
0.000280
0.00280
29
Which statement(s) are examples of qualitative statements? (chose all that apply)
There are 10 trees
The water looks very blue
The cow has black and white spots
That reaction smells foul
30
An anion is a charged element with an overall negative charge
False
True
31
In a solution bases like to...
take hydrogens
give up hydrogen
do nothing, they are boring
exist as a diatomic molecule
32
A base increases the amount of H+ in a solution
False
True
