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Chemistry Exam Review: Atoms, Elements, and the Periodic Table Flashcards | StudBud
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Chemistry Exam Review: Atoms, Elements, and the Periodic Table
Chemistry Exam Review: Atoms, Elements, and the Periodic Table
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1
What is approximately equivalent to the number of protons and neutrons in an atom?
Atomic Number
Atomic Mass
Atomic Symbol
Electron Cloud
2
What represents the pattern of electromagnetic radiation emitted or absorbed by an electron moving between shells?
Absorption Lines
Atomic Spectrum
Emission Lines
Electromagnetic Spectrum
3
What substance cannot be broken down into smaller substances?
Wavelength
Element
Compound
Cation
4
A Cesium atom has 54 electrons. What is its charge?
55+
1-
1+
55-
5
What energy includes microwave, radio waves, visible light, and gamma rays?
Isotopes
Electromagnetic Radiation (EM Radiation)
Energy Levels
Electron Cloud
6
What represents all the known elements to man?
Bohr Model
Atomic Spectrum
Lewis Diagram
Periodic Table
7
What name is given to the one or two-letter notation that represents an element?
Anion
Atomic Number
Atomic Mass
Atomic Symbol
8
What do you call an atom that has more electrons than protons?
Cation
Isotope
Mercury
Anion
9
What are electrons that do not participate in chemical bonding called?
Valence Electrons
Core Electrons
Cations
Ions
10
What is a solid substance that conducts heat and electricity and is hard, shiny, malleable, fusible, and ductile?
Element
Non-Metal
Noble Gas
Metal
11
What is released when a chemical reaction occurs?
Isotope
Cation
Anion
Energy
12
What do the red and blue orbs make up in this picture?
Electrons
Neutrons
Ions
Nucleus
13
An atom of Titanium has 20 electrons. What is its charge?
2+
2-
22-
22+
14
What does this represent?
Photon
Lewis Diagram
Radiation
Bohr Model
15
What does this represent?
Emission Line
Wavelength
Noble Gas
Radio Wave
16
How many protons does Hydrogen have?
Two
Three
Four
One
17
What does this represent?
Emission Lines
Bohr Model
Cation
Absorption Lines
18
Which subatomic particle defines an element?
Nucleus
Neutron
Proton
Electron
19
What does this represent?
Periodic Table
Absorption lines
Emission Lines
Bohr Model
20
What is the atomic symbol for Gold?
Co
W
Au
Hg
21
A Calsium atom has a 2+ charge. It did this by.......
Losing protons
Gaining electrons
Gaining protons
Losing electrons
22
An ion has 36 electrons and a charge of 2
-
. What is it?
Bromine
Selenium
Krypton
Germanium
23
Which subatomic particles are found in the nucleus of an atom?
Neutrons and electrons
Protons and neutrons
Protons and electrons
Protons, neutrons, and electrons
24
How many neutrons are in this Oxygen isotope?
8
10
26
18
25
Which of the following is also known as atomic weight?
Atomic Symbol
Average Atomic Mass
Atomic Number
Photon
26
What travels at the speed of light and is emitted when an electron moves to a lower energy level?
Isotope
Anion
Photon
Cation
27
What on the periodic table has the same number of electron shells?
Periods
Elements
Energy Levels
Groups
28
What is the smallest unit of matter that contains protons, electrons, and neutrons?
Atom
Ion
Nucleus
Isotope
29
What subatomic particle does not have a charge?
Proton
Nucleus
Neutron
Electron
30
What are the electrons in the outermost shell of an atom called?
Core Electrons
Cations
Valence Electrons
Anions
31
An ion of a certain element has 36 electrons and a charge of 1
+
. What element is it?
Strontium
Krypton
Rubidium
Potassium
32
The Lewis diagram below represents an Argon atom. What is the value of
n
?
17
18
3
8
33
What is the system of electrons surrounding the nucleus of an atom called?
Electron Cloud
Bohr Model
Isotopes
Ions
34
What does the atomic number represent?
The number of electrons in an atom
The number of protons in an atom
The number of neutrons in an atom
The number of protons and neutrons in an atom
35
How many protons does Arsenic have?
33
41
74
75
36
What is the atomic symbol for Iron?
I
In
Fe
Ir
37
Which of the following elements has the largest atomic radius?
Bismuth
Xenon
Lithium
Tungsten
38
How many electrons are in a (Nitrogen) N 3
-
ion?
21
10
7
14
39
What do the blue orbs represent?
Neutron
Electron
Ion
Proton
40
The Lewis diagram below represents a Potassium atom. What is the value of
n
?
14
4
2
12
41
What do you call an atom that has more protons than electrons?
Isotope
Cation
Anion
Does not exist
42
In a Bohr Model, an electron closer to the nucleus has _________ energy than an electron farther from the nucleus.
less
double the
the same
more
43
What do we call the energy that comes from a source and travels through space at the speed of light?
Electron Cloud
Radiation
Element
Atom
44
What is the atomic symbol for Cadmium?
Cm
C
Cd
Ca
45
A Bromine atom has a 1- charge. It did this by.......
Gaining protons
Gaining electrons
Losing electrons
Losing neutrons
46
What on the periodic table have identical valence electron counts?
Elements
Periods
Groups
Cations
47
How many neutrons are in this Chlorine isotope?
19
36
17
53
48
How many neutrons does an atom of Astatine have?
125
295
210
85
49
Which of the following elements has the largest ionization energy?
Sodium
Argon
Silver
Titanium
50
What does this represent?
Energy
Emissions Lines
Absorption Lines
Frequency
51
What do the green orbs represent?
neutron
electron
proton
nucleus
52
How many protons does Iridium have?
193
77
192
115
53
What is the atomic symbol for Tin?
Sn
Tn
Ag
Ti
54
What do the red orbs represent?
Proton
Electron
Ion
Neutron
55
How many neutrons does an atom of Radium have?
314
88
226
138
56
An atom of Sulfur has 18 electrons? What is its charge?
16-
2-
16+
2+
57
What does this represent?
Photon
Lewis Diagram
Radiation
Bohr Model
58
What is the name of an atom that has a net electric charge because it either gained or lost electrons?
Ion
Isotope
Nucleus
Cation
59
Which of the following is a poor conductor of heat and electricity and is not malleable or ductile?
Elements
Non-Metals
Metals
Energy
60
Where is the mass of an atom found?
Electron Cloud
Energy shells
Nucleus
Neutrons, Electrons, and Protons
61
A Calcium atom has 18 electrons. What is its charge?
20-
20+
2-
2+
62
What does this represent?
Emission Lines
Wavelength
Absorbtion Lines
Electromagnetic Spectrum
63
How many electrons are in an (Iodine) I
1-
ion?
52
53
54
126
64
What subatomic particle has a negative charge?
Electron
Nucleus
Neutron
Proton
65
What is another name for electron shells?
Isotopes
Valence Electrons
Core Electrons
Energy Levels
66
What shell can hold up to 2 electrons?
1st Level
2nd Level
3rd Level
4th Level
67
What shell can hold up to 18 electrons?
1st Level
3rd Level
2nd Level
4th Level
68
How many protons does Bismuth have?
209
208
83
125
69
What is the atomic symbol of Fluorine?
Fl
F
Sb
Lv
70
What shell can hold up to 8 electrons?
3rd Level
4th Level
1st Level
2nd Level
71
Which group on the periodic table would this element belong?
14
17
7
16
72
Which subatomic particle has a positive charge?
Nucleus
Electron
Neutron
Proton
73
How many neutrons does an atom of Moscovium have?
405
115
290
175
74
What is colorless, odorless, tastless, and non-flammable?
Metals
Cations
Non-Metals
Noble Gases
75
What are two or more forms of an element that have a different numbers of neutrons called?
Isotopes
Cations
Ions
Anions
