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atomic structure/ periodic table Flashcards | StudBud
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atomic structure/ periodic table
atomic structure/ periodic table
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Answers
1
Determines which element an atom is called
nuclear
Protons
atomic
bond
2
A carbon atom with 6 protons, 6 electrons, and 6 neutrons would have a mass number of
6
18
15
12
3
Most of the elements in the periodic table are
nonmetals.
metalloids
metals
gases
4
The properties of elements in a horizontal row of the periodic table follow
no pattern.
a non repeating pattern.
a periodic pattern.
an unpredictable pattern
5
the vertical column of elements in the periodic table
period laws
group
metals
periods
6
the horizontal rows of the periodic table
nonmetals
metals
period
group
7
Most metals are
dull.
solid at room temperature.
not malleable
bad conductors of electric current.
8
atoms with the same number of protons but different numbers of neutrons
mass number
protons
isotopes
atomic
9
Which of the following is a property of alkali metals?
They are stored in water.
They are so hard they cannot be cut.
They are very reactive.
They have few uses.
10
Determines which isotope an atom is called
bond
atomic
Proton
Neutrons
11
How do the physical and chemical properties of the elements change?
periodically within a family
periodically within a group
periodically across each group
periodically across each period
12
the number of protons in an atom
atomic numbers
mass numbers
protons
isotopes
13
Which statement is true about isotopes of the same element?
They have a different atomic number.
They have the same number of protons.
They have the same number of neutrons.
They have the same mass.
14
a subatomic particle with no charge
solid
neutrons
periods
liquid
15
what do you call the sum of the atomic number or number of protons and neutrons in the nucleus?
mass number
atoimc
prontos
acids
16
Number of protons AND neutrons
mass number
period table
liquid
atomic numbers
17
Which of the following has the least mass in an atom?
neutron
nucleus
) electron
proton
18
an arrangement of the elements according to similarities in their properties
groups
atomic mass
Periodic table
Period laws
19
the horizontal rows of the periodic table
Periods
group
atomic
metals
20
A horizontal row on the periodic table is called a(n)
group
family
atomic number.
period
