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Atomic Structure , Isotopes, Periodic Table, and Ions Flashcards | StudBud
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Atomic Structure , Isotopes, Periodic Table, and Ions
Atomic Structure , Isotopes, Periodic Table, and Ions
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Intro chemistry Quiz Review
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
One property of an electron is
a charge of +1
an atomic mass of -1
a charge of -1
a net charge of 0
2
Who believed all matter could be broken down to earth, air, fire, and water?
Democritus
Aristotle
Dalton
Hanford
3
An increase in atomic number is related to an increase in atomic mass because-
more electrons are orbiting the atomic nucleus
more protons are orbiting the atomic nucleus
more electrons are present in the atomic nucleus
more protons are present in atomic nucleus
4
Which represents an atom of calcium?
1
4
3
2
5
A proton has which of the following charges?
magnetic
positive
negative
neutral
6
Which is a property of an electron?
It has the same charge as a proton
It has the same mass as a proton
It is found in the nucleus of an atom
It has much less mass than a neutron
7
Who discovered the charge and mass of an electron?
Rutherford
Thomson
Millikan
Bohr
8
Which statement is not part of Dalton's Atomic Theory?
All atoms of a given element are identical.
Atoms are made of protons, neutrons, and electrons.
Compounds are made of of 2 or more different types of atoms.
Atoms are indivisible my chemical processes.
9
Approximate atomic mass of the atom seen here based on this information.
9 amu
6 amu
3 amu
12 amu
10
Atoms of the same element with different numbers of neutrons are called
bases
isotopes
acids
gases
11
What accounts for most of the mass of an atom?
Protons
Electrons
Neutrons and Protons
Electrons and Neutrons
12
How many neutrons are in an atom of Pu-246
94
150
246
152
13
What is an ion?
An atom with the same number of protons and electrons
An atom with the different numbers of protons and neutrons
An atom with the different numbers of protons and electrons
An atom with the same number of protons and neutrons
14
Which one of these scientists described a model of the atom that included energy levels?
Bohr
Dalton
Thomson
Newton
15
What is the expected charge on element 117?
-1
+2
+1
0
16
The atomic number corresponds to an atom's number of-
electrons
positrons
protons
neutrons
17
How many protons, neutrons, and electrons are in the element below?
4, 2, 5
4, 5, 2
4, 9, 2
9, 4, 7
18
How many electrons are in the atom shown below?
10
16
13
27
19
The number of protons in a neutral atom is equal to the number of
Isotopes
Neutrons
Ions
Electrons
20
The total number of electrons that can be held in the second energy level of an atom is
8
18
2
6
21
The mass of an electron is
the same as the mass of the atom
equal to the proton mass plus the neutron mass
the same as the mass of the proton
the smallest of the three major particles
22
A scientist has found the following isotope of oxygen. How many neutrons are present?
11
27
19
8
23
Which describes an atom with an atomic number of 9?
10 protons, 9 neutrons
4 protons, 5 neutrons
3 protons, 3 neutrons
9 protons, 10 neutrons
24
Put the elements listed in order of INCREASING number of protons:
Silicon, Arsenic, Sulfur, Selenium
Arsenic, Selenium, Silicon, Sulfur
Silicon, Sulfur, Arsenic, Selenium
Sulfur, Silicon, Selenium, Arsenic
25
Which of these elements has an atomic number of 14?
N
Si
Al
P
26
Which of the following pairs of isotopes is of the same element?
Atom V(8p,8n) and Atom W(7p,8n)
Atom J(27p, 32n) and Atom L (27p,33n)
Atom Q(56p,81n) and Atom R(57p,81n)
Atom S(17p,18n) and Atom T(18p,17n)
27
Neutrons are located in the
neutron cloud
nucleus
proton cloud
electron cloud
28
Thomson discovered which particle with which experiment?
proton, cathode ray tube experiment
electron, cathode ray tube experiment
proton, gold foil experiment
electron, gold foil experiment
29
Different isotopes indicate that an element will have different numbers of
atoms
electrons
neutrons
protons
30
An atom has 29 protons, 29 electrons, and 35 neutrons, What is the mass number of the atom?
35
29
64
93
