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Atomic Theory Test Review Flashcards | StudBud
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Atomic Theory Test Review
Atomic Theory Test Review
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Review for chem quiz
Flashcards
26 cards
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Questions
26
Answers
1
Sodium-24 is an isotope of sodium, how many neutrons does it have? (atomic number = 11)
13
12
24
11
2
Helium, Neon, Argon, Krypton, Xenon, and Radon belong to what group?
Alkali Metals
Noble Gases
Halogens
BTS
3
Protons and neutrons make up the ______ _____
none of the above
atomic mass
the number of electrons
atomic number
4
Which scientist was the first to develop the atomic theory
Bohr
J.J. Thompson
Dalton
Democritus
5
What am I? I'm a neutral atom & have 14 electrons.
Phosphorus
Sulfur
Aluminum
Silicon
6
An isotope of carbon has 6 protons, 6 electrons, & 7 neutrons. What is its identity?
Carbon-13
Carbon-14
Carbon-12
Carbon-6
7
Protons, electrons, and neutrons possess what charges? (In respective order)
negative, neutral, and positive
positive, neutral, and negative
negative, positive, and neutral
positive, negative, and neutral
8
The smallest component of an element that shares the same chemical properties of that element is known as a(n)
compound
atom
electron
proton
9
True or False: Isotopes have different chemical properties
False
True
10
According to Rutherford, the atom is made up mostly of ___________
Spooky Scary Skeletons
Protons and Electrons
Neutrons and Electrons
Empty Space
11
The atomic number for a neutral atom is also the number of
protons and neutrons
neutrons and electrons
protons
protons and electrons
12
Who discovered the electron?
Democritus
J.J. Thompson
Rutherford
Bohr
13
What is an isotope?
The same element with a different number of protons
A different element with the same number of neutrons
The same element with a different number of neutrons
The same element with a different number of electrons
14
What element does this image represent?
Neon
Sodium
Nitrogen
Carbon
15
All things in the universe (except energy) are made up of_____________
isotopes
gases
matter
compounds
16
J.J. Thompson came up with the _______ ________ theory of atomic structure
Swiss Cheese
Cathode Ray
Plum Pudding
Sugar Cookie
17
How many electrons can fit in the second orbital?
6
10
8
2
18
Isotopes only differ in their _________
atomic number
atomic range
atomic symbol
atomic mass
19
Who discovered the nucleus?
Bohr
Rutherford
J.J. Thompson
Dalton
20
What element am I? I have 12 protons and 12 neutrons.
Magnesium
Sodium
Calcium
Carbon
21
What is the correct atomic symbol for carbon?
c
C
Ca
Cb
22
If a phosphorous atom has 15 protons, 15 electrons, and 16 neutrons, what is its atomic mass?
30 grams/mol
16 grams/mol
15 grams/mol
31 grams/mol
23
Where are the protons and neutrons found in an atom?
2nd orbital
The nucleus
1st orbital
Outer Cloud
24
What element does this Bohr diagram represent?
Carbon
Magnesium
Bromine
Sodium
25
What is chlorine classified as?
alkaline metal
transition metal
isotope
halogen
26
What element has an atomic mass of 14 and an atomic number of 7?
Carbon
Lithium
Silicon
Nitrogen
