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WorksheetsChemistry Unit Test Part 1
Total questions: 17
Worksheet time: 14mins
Name
Class
Date
1.
Elements are pure substances that cannot be changed into simpler substances, composed of only one type of atom, and are represented by symbols.
a)
True
b)
False
c)
Ms Mel is crazy
d)
Neither True nor False
2.
______ is a chart that organizes all the elements
a)
Chemical Table
b)
Periodic Table
c)
Dinner Table
d)
Metalloid Table
3.
What are the rules for writing symbols of elements? Ex: the 1st letter is always_______?
a)
Lowercase
b)
Capitalized
c)
Numbered
d)
The number of protons and neutrons in element
4.
Again, the rules for writing symbols for elements. The 2nd and 3rd letters are always ________?
a)
2nd one lowercase, 3rd one capitalized
b)
Both lowercase
c)
Both capitalized
d)
2nd one capitalized, 3rd one lowercase
5.
Are the following statements true?Non-metals are always negative
Metals can be positive or negative
Metals can be positive or negative
a)
True
b)
False
c)
Kermit knows
d)
Kiki knows
6.
________ are pure substances that are composed of two or more elements that are chemically combined
a)
Molecules
b)
Atoms
c)
Compounds
d)
Protons
7.
______ are groups of elements generally located on the left side of the zig-zag line of the table
a)
Non-metals
b)
Metals
c)
Families
d)
Atoms
8.
Are the following examples of elements that would be in the metal group?
-Sodium (Na), Iron (Fe), Aluminum (Al)
-Sodium (Na), Iron (Fe), Aluminum (Al)
a)
Yes
b)
No
c)
Trevor definitely knows
d)
Da Ner Ner Ner
9.
________ is the smallest part of a compound, or can be made up of two or more atoms that have bonded.
a)
An atom
b)
A electron
c)
A molecule
d)
A neutron
10.
_____ are bonds formed when atoms share electrons to fill their outer shells
a)
Covalent bond
b)
Ionic bond
c)
Friendly bond
d)
Nuclear bond
11.
Physical properties of metals:
Shiny surface, reflecting light
heat and electricity move through them easily ability to be hammered into different shapes
ability to be drawn into wire
heavy for their size.
Answers below are in the order of the descriptions above
Shiny surface, reflecting light
heat and electricity move through them easily ability to be hammered into different shapes
ability to be drawn into wire
heavy for their size.
Answers below are in the order of the descriptions above
a)
Luster, malleable, high density, conductors, ductile
b)
Luster, conductors, malleable, ductile, high density
c)
Conductors, luster, ductile, high density, malleable
d)
Conductors, luster, malleable, ductile, high density
12.
These are groups of elements found on the zig-zag line
a)
Metals
b)
Metalloids
c)
Non-Metals
d)
Atoms
13.
_________ are vertical columns of elements that have similar properties on the periodic table
a)
Metalloids
b)
Families
c)
Protons
d)
Kermit's pawsies
14.
Identify the parts of the nitrogen atom
a)
Electrons on the inner ring, protons are orange, neutrons are yellow (+)
b)
Electrons are on the outer ring, protons are yellow (+), neutrons are orange
c)
Electrons are on the inner and outer rings, protons are yellow (+), neutrons are orange
d)
None of the above are correct
15.
Are the following examples of non-metals?
hydrogen, carbon, nitrogen, sulfer
hydrogen, carbon, nitrogen, sulfer
a)
True
b)
False
c)
Some are and some are not
d)
They are not all non-metals
16.
_____ are bonds formed when atoms transfer (gain or lose) electrons
a)
Ionic bonds
b)
Covalent bonds
c)
Molecular bonds
d)
Subscripts
17.
_____ is the smallest part of an element that has chemical properties of that element; has mass and takes up space.
a)
Protons
b)
Atom
c)
Neutron
d)
Electron
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