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Chemistry Flashcards | StudBud
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Chemistry
Chemistry
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1
Who created the original periodic table?
J.J. Thomson
Henry Moseley
Gregor Mendel
Dmitri Mendeleev
2
Who sings this?
Justin Bieber
Drake
Rhianna
Lady Gaga
3
The lightest of the subatomic particles
Proton
Neutron
Electron
Nucleus
4
The element with the highest melting point
Carbon
Kryptonite
Silicon
Tungsten
5
The most common isotope of hydrogen
Protium
Quatrium
Tritium
Deuterium
6
Avogadro's number
1.08*1023
6.02*1022
6.02*1023
1.08*1022
7
NACL is the name for
sodium monochloride
Monosodium monochlorid
There's no such thing as NACL
sodium chloride
8
The molar mass of oxygen
8g
12g
20g
16g
9
The name of the compound: PO
4
phosphorus oxide
monophosphorus tetroxide
phosphorus tetroxide
Phosphate
10
You mix two chemicals and the container begins to feel really cold. The reaction is
Engogenous
Exothermic
Exogenous
Endothermic
11
The number of elements on the Periodic Table
106
118
88
102
12
The amount of solute per litre of solution is known as:
Moles
Molar Mass
Volume
Molarity
13
According to the 2nd Law of Thermodynamics this always increases in a closed system
Number of molecules
Entropy
Volume
Pressure
14
Came up with the first atomic theory
Thomson
Bohr
Rutherford
Dalton
15
The family of chemicals that includes Fluorine, Chlorine and Iodine
Noble gases
Earth alkalines
Halogens
Alkali metals
16
Which of the following is a metalloid?
Bismuth
Arsenic
Aluminum
Sulfur
17
You have a glass of Kool-Aid. If you double the amount of water, what happens to the concentration?
It gets cut in half
It stays the same
It gets divided by zero
It doubles
18
The most abundant element in the universe.
Oxygen
Iron
Hydrogen
Helium
19
The number of atoms in (NH
4
)
2
SO
4
15
20
12
18
20
If you have 4 moles of hydrogen and 4 moles of oxygen, which will run out first?
Oxygen
Hydrogen
Both at the same time
Not enough information
21
Tin has the following symbol on the Periodic table
Sb
Ti
Sn
Tn
