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WorksheetsOrganizing the Elements and Models of Atoms
Total questions: 19
Worksheet time: 19mins
Name
Class
Date
1.
Mendeleev arranged his periodic table in order of increasing atomic ______
a)
mass
b)
number
c)
electrons
d)
mass unit
2.
The rows in the period table are called ______
a)
periods
b)
groups
c)
families
d)
series
3.
Another name for a ______ is a family
a)
mass
b)
period
c)
group
d)
ohana ;)
4.
On the periodic table, elements in the same _______ have similar properties.
a)
period
b)
row
c)
column
d)
electron
5.
An element's properties ....
a)
are random
b)
can be predicted from its location on the periodic table
c)
are similar for each elements in a period
d)
are similar for each element in a row.
6.
Atomic mass is ....
a)
the amount of protons
b)
the amount of neutrons
c)
the sum of protons and neutrons
d)
the sum of protons and electrons
7.
The modern periodic table is arranged in order of increasing
a)
atomic mass
b)
atomic number
c)
number of neutrons
d)
weight
8.
True or False: An element's mass number tells the number of protons in the nucleas
a)
True
b)
False: weight
c)
False: number
d)
False: atomic
9.
True or False: Negatively charged particles in an atom are called electrons
a)
True
b)
False: protons
c)
False: neutrons
d)
False: nucleus
10.
True or False: Atoms with the same number of protons but different number of neutrons are called isomers
a)
True
b)
False: isotropes
c)
False: isotopes
d)
False: isotherms
11.
True or False: The sum of the protons and neutrons in an atom is called the atomic number.
a)
True
b)
False: atomic mass
c)
False: atomic weight
d)
False: atomic nucleus
12.
An object that helps explain ideas about the natural world is called a model
a)
True
b)
False
13.
The positively charged particle in an atom's nucleus is the ______
a)
electron
b)
neutron
c)
proton
d)
isotope
14.
An element's identity can be determined from its
a)
atomic number
b)
number of neutrons
c)
number of isotopes
d)
energy levels
15.
The smallest particle an element can be divided into and still be that element is the
a)
electron
b)
neutron
c)
isotope
d)
atom
16.
If a material can easily be drawn into the shape of a wire, it is
a)
ductile
b)
magnetic
c)
malleable
d)
reactive
17.
Which of the following is NOT a characteristic of most metals?
a)
brittle
b)
good conductor
c)
ductile
d)
malleable
18.
The metals of Group 1 are commonly called the
a)
transition metals
b)
alkaline earth metals
c)
lanthanides
d)
alkali metals
19.
One metal that is a liquid at room temperature is
a)
magnesium
b)
manganese
c)
mercury
d)
sodium
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