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