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