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Periodic Table
Test Description: Periodic table and atoms
Instructions: Answer all questions to get your test result.
1) Iron has an atomic number of 26 and an atomic weight of 55.847. How many protons would an atom of iron have?
A
30
B
56
C
26
D
29
2) Iron has an atomic number of 26 and an atomic weight of 55.847. How many electrons would an atom of iron have?
A
30
B
56
C
26
D
29
3) Iron has an atomic number of 26 and an atomic weight of 55.847. How many neutrons would an atom of iron have?
A
55
B
30
C
56
D
26
4) What charge does a proton have?
A
positive
B
magnetic
C
neutral
D
negative
5) What charge does an electron have?
A
magnetic
B
neutral
C
positive
D
negative
6) What charge does a neutron have?
A
magnetic
B
negative
C
neutral
D
positive
7) Phosphorus has an atomic number of 15 and an atomic mass of 30.97. How many neutrons will an atom of phosphorus have?
A
31
B
16
C
15
D
30
8) In a Bohr Model, the second energy level of an atom can hold a maximum of ___ electrons
A
2
B
18
C
10
D
8
9) In a Bohr Model, the first energy level of an atom can hold a maximum of ___ electrons
A
8
B
2
C
6
D
10
10) What does the nucleus of an atom contain?
A
protons and neutrons
B
protons and electrons
C
electrons and neutrons
D
only neutrons
11) Made of protons, neutrons and electrons, the basic building block of all matter is a(n)__
A
element
B
mixture
C
compound
D
atom
12) The atomic weight of an atom is made of the__
A
number of electrons + the number of neutrons
B
number of protons + the number of neutrons + the number of electrons
C
number of protons + the number of neutrons
D
number of protons + the number of electrons
13) The center of an atom is called the__
A
proton
B
nucleus
C
electron
D
neutron
14) Exactly how many elements are on the Periodic Table?
A
200
B
1,000
C
75
D
118
15) Approximately how many elements are on the Periodic Table?
A
1,000
B
100
C
50
D
10
16) The periodic table provides information about chemical symbols that represent__
A
elements
B
formulas
C
reactions
D
equations
17) Which chemical symbol below is written correctly?
A
Cu
B
bE
C
MG
D
h
18) Who is credited with organizing the Periodic Table?
A
Mendeleev
B
Galileo
C
Brahe
D
Mrs. Edwards
19) How do you calculate the number of neutrons in an atom of an element?
A
round the weight and add the number of electrons
B
round the weight and add the number of protons
C
round the weight and subtract the number of protons
D
round the weight and subtract the number of electrons
20) What element on the Periodic Table has an atomic number of 6?
A
Calcium
B
Carbon
C
Helium
D
Hydrogen
*select an answer for all questions
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