WorksheetsPractice Online Test - Atoms Unit
Total questions: 51
Worksheet time: 26mins
Name
Class
Date
1.
Proton's Charge
a)
+1
b)
Determines the identity of the atom
c)
In Nucleus
d)
Heavy
e)
Holds together the Nucleus
2.
Proton's Mass
a)
Heavy
b)
Determines the identity of the atom
c)
In Nucleus
d)
Holds together the Nucleus
e)
Virtually Zero
3.
Proton's Location
a)
In Nucleus
b)
Determines the identity of the atom
c)
Heavy
d)
Holds together the Nucleus
e)
Virtually Zero
4.
Proton's Importance
a)
Determines the identity of the atom
b)
In Nucleus
c)
Heavy
d)
Holds together the Nucleus
e)
Virtually Zero
5.
____________________ makes up all matter and is the smallest unit of an element that has all the properties of that element.
a)
Atoms
b)
Subatomic Particles
c)
Proton
d)
Neutron
e)
Electron
6.
____________________ is a name for all the elements in a column.
a)
Group
b)
Periodic Table
c)
Chemical Symbol
d)
Compound
e)
Chemical Formula
7.
____________________ is an organization method that arranges elements in order of the atomic number.
a)
Periodic Table
b)
Group
c)
Chemical Symbol
d)
Compound
e)
Chemical Formula
8.
is a name for all the elements in a row and have similar physical properties.
a)
Period
b)
Periodic Table
c)
Group
d)
Chemical Symbol
e)
Compound
9.
____________________ is a substance made up of only one kind of atom.
a)
Element
b)
Atoms
c)
Subatomic Particles
d)
Nucleus
e)
Proton
10.
____________________ is a one or two -letter symbol that represents the element. These symbols are abbreviations for the Latin name of the element.
a)
Periodic Table
b)
Group
c)
Chemical Symbol
d)
Compound
e)
Chemical Formula
11.
How many total atoms are in the formula H₂O ? (ATOMS not ELEMENTS)
a)
3
b)
1
c)
2
d)
4
e)
5
12.
How many elements are in the formula H₂O ? (ELEMENTS not ATOMS)
a)
2
b)
1
c)
3
d)
4
e)
5
13.
Neutron's Charge
a)
0
b)
Determines the identity of the atom
c)
In Nucleus
d)
Heavy
e)
Holds together the Nucleus
14.
Neutron's Mass
a)
Heavy
b)
Determines the identity of the atom
c)
In Nucleus
d)
Holds together the Nucleus
e)
Virtually Zero
15.
Neutron's Location
a)
In Nucleus
b)
Determines the identity of the atom
c)
Heavy
d)
Holds together the Nucleus
e)
Virtually Zero
16.
Neutron's Importance
a)
Holds together the Nucleus
b)
Determines the identity of the atom
c)
In Nucleus
d)
Heavy
e)
Virtually Zero
17.
Center of an atom
a)
nucleus
b)
atom
c)
compound
d)
electron
e)
element
18.
Substance made up of only one kind of atom
a)
element
b)
atom
c)
compound
d)
electron
e)
molecule
19.
Subatomic Particle with a positive charge
a)
proton
b)
atom
c)
compound
d)
electron
e)
element
20.
Smallest unit of an element with all the properties of that element
a)
atom
b)
compound
c)
electron
d)
element
e)
molecule
21.
Subatomic particle with no charge
a)
neutron
b)
atom
c)
compound
d)
electron
e)
element
22.
Arrangement of elements by similar properties
a)
periodic table
b)
atom
c)
compound
d)
electron
e)
element
23.
Two or more atoms joined together
a)
molecule
b)
atom
c)
compound
d)
electron
e)
element
24.
Subatomic particle with a negative charge
a)
electron
b)
atom
c)
compound
d)
element
e)
molecule
25.
Atoms are held together by the attraction between
a)
protons and neutrons
b)
electrons and protons
c)
electrons and neutrons
d)
protons and the nucleus
26.
In the Periodic Table, elements are arranged by
a)
color
b)
size
c)
atomic mass
d)
atomic number
27.
The first energy level of electrons in an atom can hold ____ electrons.
a)
2
b)
1
c)
3
d)
4
e)
5
28.
The third energy level of electrons in an atom can hold ____ electrons.
a)
18
b)
1
c)
2
d)
3
e)
4
29.
The second energy level of electrons in an atom can hold ____ electrons.
a)
8
b)
1
c)
2
d)
3
e)
4
30.
What is the formula for a molecule with 1 carbon atom, 2 hydrogen atoms, and 3 oxygen atoms?
a)
HC₂O₃
b)
H₂CO₃
c)
H₃CO₂
d)
H₃C₂O
31.
How many atoms of carbon are in the formula PMgC₃
a)
0
b)
1
c)
2
d)
3
32.
How many total atoms are in the formula PMgC₃
a)
2
b)
3
c)
4
d)
5
33.
What is the chemical symbol for Tin? (only type one or two letters as an answer)
(a)
34.
What is the chemical symbol for Lead? (only type one or two letters as an answer)
(a)
35.
What element is number 108?
a)
Seaborgium
b)
Hassium
c)
Meitnerium
d)
Bohrium
e)
Darmstadtium
36.
What element is number 18?
a)
Oxygen
b)
Hydrogen
c)
Argon
d)
Chlorine
e)
Krypton
37.
What element is number 58?
a)
Lanthanum
b)
Barium
c)
Cerium
d)
Hafnium
38.
What is the Atomic Number (number at the top of the square) for Yittrium?
a)
39
b)
95
c)
10
d)
82
e)
58
39.
What is the Atomic Number (number at the top of the square) for Dysprosium?
a)
66
b)
95
c)
10
d)
58
e)
162
40.
Table salt, like on french fries, has a chemical formula of NaCl. What two elements make up salt? (choose all correct elements)
a)
Sodium
b)
Chlorine
c)
Actinium
d)
Carbon
e)
Oxygen
41.
What are Helium, Neon, Argon, and Krypton considered?
a)
Noble Gas
b)
Alkali Metal
c)
Alkaline Earth
d)
Transition Metal
e)
Metalloid
42.
What are Actinium and Einsteinium considered?
a)
Actinoid
b)
Alkali Metal
c)
Alkaline Earth
d)
Transition Metal
e)
Metalloid
43.
Copper is a chemical element with which symbol?
a)
Cl
b)
Cp
c)
Co
d)
Cu
44.
Electron's Charge
a)
-1
b)
Determines the identity of the atom
c)
In Nucleus
d)
Heavy
e)
Holds together the Nucleus
45.
Electron's Mass
a)
Virtually Zero
b)
Determines the identity of the atom
c)
In Nucleus
d)
Heavy
e)
Holds together the Nucleus
46.
Electron's Location
a)
Outside Nucleus
b)
Determines the identity of the atom
c)
In Nucleus
d)
Heavy
e)
Holds together the Nucleus
47.
Electron's Importance
a)
Responsible for Reactivity
b)
Determines the identity of the atom
c)
In Nucleus
d)
Heavy
e)
Holds together the Nucleus
48.
How many total atoms are in the formula H₂O ?
a)
3
b)
1
c)
2
d)
4
e)
5
49.
In what group number Fluorine is located?
a)
17
b)
1
c)
2
d)
3
e)
4
50.
In what period number Niobium is located?
a)
5
b)
1
c)
2
d)
3
e)
4
51.
How many elements are in the formula H₂O ?
a)
2
b)
1
c)
3
d)
4
e)
5
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