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WorksheetsChemistry
Total questions: 24
Worksheet time: 24mins
Name
Class
Date
1.
the basic unit of a chemical element
a)
Atom
b)
Matter
c)
Neutron
d)
Element
2.
The central part of an atom that contains the protons and neutrons
a)
Neutron
b)
Atom
c)
Nucleus
d)
Metal
3.
subatomic particle found in the nucleus of atoms that differs from the other subatomic particles
a)
Atom
b)
Proton
c)
Electron
d)
Neutron
4.
subatomic particle found in the nucleus of every atom. The particle has a positive electrical charge, equal and opposite to that of the electron
a)
Atom
b)
Proton
c)
Neutron
d)
Electron
5.
smallest of the particles that make up an atom, and they carry a negative charge
a)
Neuton
b)
Element
c)
Electron
d)
Proton
6.
the number of protons in the nucleus of an atom
a)
Mass Number
b)
Indicator
c)
Chemical Symbol
d)
Atomic Number
7.
is the total number of protons and neutrons (together known as nucleons) in an atomic nucleus
a)
Mass Number
b)
Atomic Number
c)
Indicator
d)
Chemical Symbol
8.
a substance consisting of atoms which all have the same number of protons
a)
Mass Number
b)
Elment
c)
Element
d)
Atom
9.
an abbreviation or short representation of an element name
a)
Atomic number
b)
Chemical Symbol
10.
An arrangement of elements in order of increasing atomic numbers that demonstrates the periodic patterns that occur among the elements.
a)
Atomic number
b)
periodic table
c)
Elements
d)
Atomic mass
11.
Elements that occur in a horizontal row on the periodic table
a)
Period
b)
Periodic table
c)
Atomic Mass
d)
Group
12.
Elements that occur in a vertical column on the periodic table
a)
Period
b)
Periodic line
c)
group/family
13.
An element below and to the left of the stair-step line of metalloids; about 80% of the known elements are metals.
a)
metal
b)
Non Metals
14.
Refers to a soft sheen, glossy surface, or brightness
a)
malleable
b)
Metal
c)
Metalloid
d)
luster
15.
An element with properties of both metals and nonmetals located along the stair-step line on the right side of the periodic table
a)
Non Metal
b)
Metal
c)
metalloid
d)
luster
16.
Able to be pounded or pressed into various shapes
a)
ductile
b)
malleable
17.
the transmission of heat or electricity or sound
a)
conductivity
b)
energy
18.
the power to attract. It refers to the attraction to iron and other metals in electric currents and magnets
a)
magnetism
b)
conductivity
c)
ductile
19.
process by which something deteriorates because of oxidation, a chemical action that creates oxides that flake away from the base.
a)
corrosion
b)
Erosion
c)
Sediment
d)
Metal
20.
ready susceptibility to chemical change
a)
Corrosion
b)
magnetism
c)
reactivity
d)
matterOption 4 (optional)
21.
has mass and volume
a)
Matter
b)
Mass
c)
Atoms
d)
Size
22.
a characteristic of a substance that can be observed
a)
Atom
b)
Matter
c)
Element
d)
Property
23.
a characteristic of a substance that can be observed
a)
indicate
b)
Specific
24.
The emphasis on the unique and creative personality
a)
Charciteristc
b)
individual
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