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Chapter 4 Quiz Review Flashcards | StudBud
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Chapter 4 Quiz Review
Chapter 4 Quiz Review
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Questions to help review for a test on Atoms
Flashcards
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Questions
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1
Where is almost all of the mass of the atom is contained?
belly
nucleus
protons
electrons
2
What is the central part of an atom, containing protons and neutrons?
electron
mitochondria
nucleus
proton
3
Dalton's Atomic Theory contained all of the following EXCEPT
In a reaction, atoms areseparated, combined, or rearranged.
All atoms of a given element areidentical.
Matter is composed of extremelysmall particles called atoms.
Atoms can be created ordestroyed.
4
How do the isotopes Carbon-12 and Carbon-13 differ?
Carbon-13has one more proton that carbon-12
Carbon-12 has one more electron than hydrogen-1.
Carbon-12 has 12 neutrons; carbon-13 has 13 neutrons
Carbon-13 has one more neutron thancarbon-12
5
Which of the following would be an isotope of an element that had 17p
+
, 18 n
0
and 17 e
-
?
17 protons, 18 neutrons,18 electrons
17 protons, 17neutrons, and 17 electrons
18 protons, 18neutrons, and 17 electrons
17 protons, 18neutrons, 16 electrons
6
What does the number 11 in the name boron-11 represent?
the atomic number
the mass number
the sum of the protons and electrons
twice the number of protons
7
Who discovered the neutron?
Millikin
Rutherford
Thomson
Chadwick
8
Use the periodic table to determine the number of protons in anatom of bromine.
35
79.904
4
17
9
Whose model determined that an atom’s positive charge is concentrated inthe atom’s center?
Thomson's
Democritus'
Dalton's
Rutherford's
10
What is the unit when calculating Average Atomic Mass (Weight)?
AAM
AMC
UMA
AMU
11
Who determined that atoms could be divided?
Dalton
Rutherford
Thomson
Democritus
12
How many p
+
, e
-
, and n
0
does an atom with atomicnumber 75 and mass number 145 contain?
70 neutrons, 75 protons, 50 electron
120 neutrons, 50 protons, 75 electrons
50 protons, 50 electrons, 75 neutrons
75 electrons, 50 protons, 50 neutrons
13
Which of the following is true about subatomic particles?
Protons are (-) charged and the lightest subatomic particle.
Electrons have no charge and have almost no mass.
Electrons have almost no mass compared to the protons
Neutrons are negative and the lightest subatomic particle.
14
All atoms of the same element have the same ____.
number of neutrons
mass
mass numbers
number of protons
15
Isotopes of the same element have different ____.
numbers of protons
atomic numbers
numbers of neutrons
numbers of electrons
16
What is the smallest particle of an element that retains the properties of thatelement.
Proton
Atom
Compound
Electron
17
What is a negatively charged subatomic particle?
Proton
Neutrino
Electron
Neutron
18
Thomson made his discovery about the atom during an experiment using ________.
kinetic energy
x-rays
thermal energy
cathode ray tube
19
What is the mass number for a carbon atom that has 7 neutrons inits nucleus?
7
13
14
12
