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WorksheetsAtoms Review
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
What is at the center of every atom?
a)
nucleus
b)
neutron
c)
proton
d)
all of these
2.
An electron is...
a)
positive particle
b)
A neutral particle
c)
A negative particle outside of the nucleus
d)
A negative particle within the nucleus the nucleus
3.
An atom is neutral if...
a)
The number of protons = electrons
b)
The number of neutrons = protons
c)
The number of protons∠ electrons
d)
Electrons+Neutrons = 0
4.
The atomic number is determined by...
a)
The number of protons
b)
The number of neutrons
c)
None of these
5.
The smallest common particle in the atom...
a)
electron
b)
proton
c)
nucleus
d)
neutron
6.
May move from one atom to another...
a)
nucleus
b)
electrons
c)
both of these
7.
Neutrons are important because...
a)
They hold the nucleus together
b)
They have a positive charge
c)
They orbit outside of the atom
d)
All of these
8.
____ elements conduct electricity and has a gray luster
a)
Metal
b)
2
c)
gas
d)
non metel
9.
according to the atomic theory ,matter is made up of ______.
a)
cells
b)
protons
c)
atoms
d)
Element
10.
____ with specific characteristics and is made up of only one atom
a)
protron
b)
8
c)
chemical
d)
Element
11.
What has two or more atoms that are linked together ?
a)
Molecule
b)
element
c)
gas
d)
oxegen
12.
what is a scale that tells what atoms are ?
a)
periodic table
b)
Chemical
c)
Map
d)
Element
13.
vertical columns in the periodic table are _________ of elements with similar properties.
a)
groups
b)
periods
14.
_______ are horizontal rows of elements that contain increasing numbers of protons and electrons.
a)
groups
b)
periods
15.
Elements that have properties of both metals and nonmetals are _____
a)
metals
b)
metalloids
c)
nonmetals
16.
a capital letter or combination of a capital letter and a small letter that is used to represent an element is called a(n) ________
a)
chemical symbol
b)
element sign
17.
elements in the middle of the periodic table, groups 4 through 7 are called the ___________
a)
middle elements
b)
transition elements
c)
nonmetals
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