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Parts of the Atom Flashcards | StudBud
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Parts of the Atom
Parts of the Atom
20 terms
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26,173 plays
Reviews atomic structure and periodic table.
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
Which subatomic particle has a positive charge?
proton
red and blue are correct
neutron
electron
2
The smallest particle into which an element can be divided and still be the same substance is
nucleus
electron
atom
neutron
3
The atomic number is
the number of protons
the sum of all subatomic particles
the same as the mass number
the number of neutrons in the nucleus
4
If a neutral atom has 8 protons, that means that there are
0 electrons
16 electrons
4 electrons and 4 neutrons
8 electrons
5
The atomic number is
the number of protons in the nucleus
how the periodic table is organized
red and blue are correct.
has a decimal
6
Which letter represents the electron?
E
B
D
C
7
Which subatomic particle has a neutral charge?
neutron
red and blue are correct
proton
electron
8
Potassium has a mass number of 39 and 19 electrons therefore
Not enough information
a potassium atom has 20 neutrons and 19 protons.
a potassium atom has 19 neutrons and 20 protons.
a potassium atom has 35 neutrons and 4 protons.
9
Which subatomic particle is found outside the nucleus?
blue and yellow are correct
neutron
electron
proton
10
The number of protons in an atom is
able to change.
the atomic number.
red and blue are correct
the same as the number of electrons in a stable atom.
11
Which letter represents the neutron?
B
D
C
E
12
The mass number of an atom is
the number of protons and neutrons in an atom.
the number of electrons and neutrons in an atom.
the number of protons in an atom.
none of the choices.
13
Which letter shows where to find the valence electrons?
D
B
F
A
14
Which letter represents the proton?
B
E
D
C
15
Phosphorus has a mass number of 31 and 15 electrons therefore
a phosphorus atom has 15 neutrons and 16 protons.
Not enough information given.
a phosphorus atom has 31 neutrons and 15 protons.
a phosphorus atom has 16 neutrons and 15 protons.
16
Except for Hydrogen and Helium, the outermost energy level of an atom is full when
it can never be full.
it contains 2 electrons.
it contains 8 electrons.
it contains 6 electrons.
17
An example of a subatomic particle is
non of the above
the nucleus
the electron cloud
proton, neutron, electron
18
The electrons are likely to be found
in the nucleus
with the protons
in electron clouds
mixed throughout atom
19
Which letter represents the nucleus?
D
B
E
C
20
The mass number of an atom is
number of protons in an atom.
the number of electrons and neutrons in an atom.
the number of protons and neutrons in an atom.
none of the above
