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Mrs. T's Blast Atomic Structure & Periodic Table - 8 Flashcards | StudBud
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Mrs. T's Blast Atomic Structure & Periodic Table - 8
Mrs. T's Blast Atomic Structure & Periodic Table - 8
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A review of atomic structure and the periodic table.
Flashcards
32 cards
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Practice quiz
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Questions
32
Answers
1
What is the Atomic number of nitrogen?
14.007
7
14
2
Elements on the modern periodic table are arranged according to their _________.
atomic numbers
atomic masses
atomic radii
atomic properties
3
What part of the atom has a negative charge(-)?
proton
neutron
electron
4
The number of protons an atom contains is identified by the ____ ____ on the periodic table.
row #
group #
atomic #
mass #
5
The average mass of all the isotopes for a given atom is called ___________.
average atomic mass
average nuclear mass
average atomic number
average mass number
6
What is the correct electron configuration (arrangement of electrons) for
phosphorus
(
P
)?
2, 8
2, 5
2, 8, 8, 5
2, 8, 5
7
What part of the atom has a no charge(neutral)?
proton
electron
neutron
8
Which elements are malleable?
metals
metalloids
nonmetals
9
Which listing below shows the proper charges of the subatomic particles?
p = -1 n = 0 e = +1
p = +1 n = 0 e = -1
p = +1 n = -1 e = 0
p = 0 n = +1 e = -1
10
A column on the periodic table can also be called a ________ or a ___________.
period / group
group / family
family / period
family/ row
11
How many
valence electrons
are in an atom of
potassium K
?
2
4
1
6
12
How many neutrons does Rb-85 contain?
48
37
48.468
122
13
Which subatomic particles are located inside the nucleus of an atom?
protons & electrons
protons & neutrons
electrons & neutrons
electrons & protons
14
How many
electrons
does nitrogen have?
14
14.007
7
15
Which elements are poor conductors of heat and electricity?
metals
nonmetals
16
The sum of the number of protons and neutrons inside the nucleus is called the __________.
element number
nucleus number
mass number
atomic number
17
How many
neutrons
does boron have?
5
11
6
10.811
18
A row on the periodic table is also called a ________.
neighborhood
period
group
family
19
Valence electrons are located _________.
in the first orbital outside the nucleus
in between the inner and outer shells
inside the nucelus
in the outer orbital shell
20
What is the atomic mass of nitrogen?
7
14.007
14
21
How many
valence electrons
are in an atom of
silicon Si
?
2
6
4
1
22
What part of the atom has a positive charge(+)?
electron
neutron
proton
23
What is the charge of the
nucleus
of an atom? (where protons & neutrons are located)
negative
positive
neutral
24
An atom, as shown on the periodic table, is neutral because it contains equal numbers of
protons and electrons
neutrons and ions
isotopes and ions
protons and neutrons
25
Which elements are dull (not lustrous) and are brittle?
nonmetals
metals
26
What is the name of the atom pictured?
sodium Na
magnesium Mg
Boron B
27
Elements that have chemical and physical properities of both metals and nonmetals are _____.
transition metals
rare earth metals
alkali earth metals
metalloids
28
What is the mass number of nitrogen?
7
14
14.007
29
What is the Atomic number of boron?
10.811
11
5
6
30
Which group of elements are mostly silver or dark gray and mostly solids except for one liquid?
metals
nonmetals
31
Which group of elements are made up of solids, liquids, & gases at room temperature?
nonmetals
metals
32
The smallest particle of gold that still has the properties of gold is called:
an atom
a proton
an electron
a nucleus
