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Atoms, Ions, and Isotopes and Periodic Table Flashcards | StudBud
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Atoms, Ions, and Isotopes and Periodic Table
Atoms, Ions, and Isotopes and Periodic Table
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Atomic structure, ions, and isotopes
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31 cards
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Questions
31
Answers
1
Which element is a liquid at room temperature?
nitrogen
hydrogen
oxygen
mercury
2
What is the mass of this atom?
2 amu
6 amu
none of the above
4 amu
3
Which subatomic particle has a negative charge?
proton
electron
none of the above
neutron
4
Where is most of the mass of the atom located?
Nucleus
With the valence electrons
Electron cloud
5
Horizontal rows on the periodic table
Periods
Classes
Families
Groups
6
All matter is made of _________.
stuff
energy
atoms
liquids
7
What are the 3 subatomic particles of an atom?
proton, neutron, electrode
pulsar, neutron, electron
proton, neutron, particle
proton, neutron, electron
8
How many electrons does this ion have: O
-2
2
8
10
-2
9
How many protons are in each isotope of Magnesium?
25
24
12
It depends on the isotope
10
Most elements on the periodic table are classified as __________.
Metals
Nonmetals
Gases
Metalloids
11
How many electrons does the element Bromine have?
5
35
80
30
12
Which of the following is NOT a gas at room temperature?
Carbon
Neon
Oxygen
Hydrogen
13
What is the atomic number of neon, Ne?
10.18
10
30.18
20.18
14
What is the mass of the isotope: Chromium-58
58 amu
34 amu
none of the above
24 amu
15
Which element has 3 valence electrons and 4 energy levels?
Ga
Sc
None
Si
16
Which subatomic particle has a neutral charge?
electron
proton
neutron
none of the above
17
A calcium atom loses two electrons. It's charge is now...
18
20
-2
+2
18
How many valence electrons does Argon have?
18
8
4
6
19
What is the center of an atom called?
nucleus
electron cloud
neutral zone
centris
20
Where are the metals located on the periodic table?
along the stair step line
to the left of the stair step line
to the right of the stair step line
21
Isotopes are atoms that have the same number of protons, but a different number of...
neutrons
electrons
charges
protons
22
How many protons does the element Sulfur have?
32
30
10
16
23
An atom that has a positive or negative charge is called
An isotope
An element
An ion
A nucleus
24
True or False: In a neutral atom, protons and electrons are equal.
False
True
25
How many electrons have been gained or lost if an ion has a +3 charge?
lost 3
did not gain or lose any
gained 3
not enough information
26
Vertical columns on periodic table
periods
classes
groups
rows
27
What is the overall charge of the nucleus of the atom?
Neutral
Not enough information
Positive
Negative
28
How many neutrons are in this isotope of Magnesium-25?
13
12
37
25
29
Which element is the smallest?
Bromine
Zinc
Copper
Calcium
30
Which subatomic particle has a positive charge?
none of the above
neutron
proton
electron
31
A Fluorine atom gains one electron. It's charge is now...
-1
9
+1
10
