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WMS Atom Test

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Last updated 4 months ago
26 questions
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Question 1
1.

Question 2
2.

Question 3
3.

Question 4
4.

Question 5
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Question 6
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Question 7
7.

Question 8
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Question 9
9.

Question 10
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Question 11
11.

Question 12
12.

Question 13
13.

Question 14
14.

Question 15
15.

Question 16
16.

Question 17
17.

Draw an atom model of the element in the picture. Label all subatomic particles, charges, and place them in the proper locations.

Question 18
18.

Question 19
19.

Question 20
20.

Question 21
21.

Question 22
22.

Question 23
23.

Question 24
24.

Question 25
25.

Question 26
26.

A positively charged subatomic particle found in the nucleus of an atom is
a quark.
an electron.
a proton.
a neutron.
A negatively charged particle located outside the atom's nucleus is
a proton.
a neutron.
a quark.
an electron.
A subatomic particle that has no charge and that is found in the nucleus of an atom is
an electron.
a neutron.
a quark.
a proton.
A center of an atom is
a bohr.
a quark.
a neutron.
a nucleus.
An area around the center of the atom where electrons are located
is a quark.
is a nucleus.
is an electron cloud.
is a deep space.
Which part of an atom makes up most of its mass?
the electron cloud
the nucleus
the neutrons
the proton
The smallest particle of an element that still retains the element's properties is
an atom.
a quark.
a nucleus.
an electron.
How many electrons are in the element in the picture?
6
5
11
10.811
What is the atomic mass of the element in the picture?
8
15.999
oxygen
O
How many neutrons are in the element in the picture?
22.990
12
11
23
Given the atomic number 17, the mass number 36, how many neutrons does it have?
36
17
53
19
What is the atomic symbol of the element in the picture?
20
Ca
Calcium
40.078

How many protons are in the element in the picture?
6.941
3
7
4
An element's ________________ is the same as the number of protons in the nucleus of its atoms.
neutrons
atomic number
number of energy levels
atomic mass
Which determines the identity of an element?
the mass number
the number of its protons
the charge of the atom
the number of its neutrons
Using the image, what is the atomic number?
Nitrogen
14.007
7
N
What part of an atom has a mass of 0?
protons
electrons
nucleus
neutrons
What part of an atom has the mass of 1 amu? (more than one answer)
nucleus
proton
electron cloud
neutron
electron
A proton has a charge of a -1.
True
False
The number of electrons in an atom of an element is the element's atomic number.
True
False
Adding the number of protons and neutrons in an atom results in the
atomic number.
number of energy levels.
atomic mass.
neutrons.
The first energy level of an atom holds _____ electrons. The second energy level of an atoms holds ______ electrons. The third energy level holds ______ electrons. The fourth energy level holds _____ electrons.
2, 8, 16, 32
2, 8, 18, 32
2, 6, 18, 32
2, 8, 16, 24
Which symbol represents carbon?
K
N
C
Ca
The element beryllium (Be, atomic number 4 and atomic mass 9) is right above magnesium (Mg, atomic number 12 and atomic mass 24) in the periodic table. How many more electrons does magnesium have than beryllium?
7
15
5
8
Which is the correct symbol for the element sodium?
Al
Na
Cl
S