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periodic table
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Periodic Table Quiz 7th Grade
Flashcards
26 cards
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Questions
26
Answers
1
Which group of elements share characteristics with both metals and nonmetals?
salts
lanthanides
semimetals
halogens
2
At room temperature, all the semimetals are solid, while most nonmetals are
gas
solid
gel
liquid
3
In a neutral atom, the number of protons equals the number of
nuclei
neutrons
electrons
isotopes
4
The horizontal rows in the periodic table are known as
lines
periods
families
groups
5
The vertical columns in the periodic table are known as
groups
periods
metals
families
6
What is the atomic mass of this atom?
16
6
12
22
7
What is the atomic number of this atom?
3
12
4
6
8
What information in the periodic table indicates the number of protons in an atom?
the element's atomic mass
the position of the element in its column
the element's chemical symbol
the element's atomic number
9
This term means rolled into thin sheets, as in aluminum foil, or beaten into shapes.
polar
alloy
malleable
ductile
10
Positively charged particles in an atom's nucleus are called
electrons
protons
neutrons
nuclei
11
Protons have a positive charge.
true
false
12
Most metals are NOT
ductile
good conductors of heat and electricity
malleable
liquid at room temperature
13
The small center core of an atom is called
nucleus
proton
electron
neutron
14
Most metals are in the________________ state at room temperature
solid
gas
gel
liquid
15
Elements that easily transmit electricity and heat display the property known as
ductility
productivity
conductivity
electromagnetism
16
In the 1800's Dmitri Mendeleev organized the first truly useful
Telephone
Microscope
Electricity
Periodic Table
17
Elements in a group of the periodic table
have the same atomic mass
have very similar chemical symbols
have similar properties
are in the same period
18
A material is said to be malleable if it
is a mixture of a metal with at least one nonmetal
can be pulled out, or drawn, into long wires
can transfer heat or electricity to another material
can be hammered or rolled into flat sheets and other shapes
19
How many protons does element #25 have?
52
13
12
25
20
Which group contains the least amount of elements?
nonmetals
semimetals
metals
transition metals
21
Which particles in atoms are considered neutral, with no charge?
electrons
protons
atoms
neutrons
22
What particles in atoms have a negative electric charge?
protons
neutrons
electrons
nuclei
23
If a material can be drawn out into wire is described as
Ductile
Ducteable
Malleable
Quacktile
24
What is the chemical symbol of this atom?
C
K
Ca
Vw
25
Elements that can transmit heat and electricity display the property known as
ductility
attraction
malleable
conductivity
26
Each element is given a specific _______________ that consists of one or 2 letters.
Element/Chemical Symbol
Atomic Mass
Atomic Number
Alphabet
