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TEAS Prep:Atomic Structure Quiz Review Flashcards | StudBud
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TEAS Prep:Atomic Structure Quiz Review
TEAS Prep:Atomic Structure Quiz Review
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comprehensive atomic structure review; 48 questions
Flashcards
48 cards
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Questions
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Answers
1
Why are noble gases chemically inactive?
their outermost energy level is filled with electrons, so element is stable
their atomic structure can vary depending on reaction type
they cannot add or lose protons
they do not have valence electrons
2
What do the roman numeral group numbers represent on the periodic table?
number of valence electrons
atomic number
number of neutrons
number of energy levels
3
Covalent bonds form when valence electrons are
given
lost
shared
taken
4
What is an atom?
The biggest particle of an element
The building block of elements and the smallest particle of an element
The charged part of an element
A group of elements bonded together
5
How do atoms become stable, ie. achieve a full valence energy level?
gaining, losing, or sharing electroproneutrons
gaining, losing, or sharing protons
gaining, losing, or sharing neutrons
gaining, losing, or sharing electrons
6
Which subatomic particle has the smallest mass?
Electrons
Protons
Neutrons
7
Which of the following is formed when an atom gains or loses electrons?
compound
ion
element
molecule
8
When an atom has more/less neutrons than the TYPICAL version of that atom, it's called ____.
A POSITRON
AN ORBITAL
AN ISOTOPE
AN ION
9
Why do metals always form positive ions?
Because they gain electrons in their outer energy level
Because they join other atoms
Because they lose electrons from their inner energy level
Because they lose electrons from their outer energy level
10
Valence Electrons are ____.
able to move from atom to atom
all of the above
outer level electrons
involved in bonding
11
Each horizontal row on the periodic table is called what?
Octet
Valence
Group
Period
12
If protons are added to or removed from an atom, this will be changing...
the number of neutrons
the element
the energy of the atom
the number of electrons
13
Ionic compounds are electrically neutral.
False
True
14
What is a vertical column on the periodic table called?
group
period
octet
atomic mass
15
The smallest particle of an element that retains the properties of that element is ___.
an atom
a proton
an electron
a nucleus
16
Halogens want to _____ an electron to reach a full energy level.
loan
remove
gain
lose
17
These particles determine the identity of an element
Neutrons
Electrons
All of them do
Protons
18
The whole number (integer) generally located above the element symbol represents the:
atomic mass
number of neutrons
number of isotopes of that element
atomic number
19
When we name ionic compounds, we say ___
the cation first, and the anion second
the ion first, and the element second
the anion first, and the cation second
the element first, and the ion second
20
Which of the following determine the identity of an element?
the number of protons
the atomic mass
the number of electrons
the number of neutrons
21
What is the Octet Rule?
Atoms always have exactly 8 electrons
Atoms never have 8 electrons
Atoms gain or lose neutrons until they're the same as the protons
Atoms gain or lose electrons to attain 8 valence electrons
22
What type of ions do non-metals form?
Negative ions
Positive ions
Neutral ions
23
Modern atomic theory shows electrons ...
are still completely unknown
buzzing around the nucleus in a cloud rather than distinct orbits
shows electrons in distinct, fixed orbits
orbiting around the nucleus like planets moving around the sun.
24
The center of the atom is the _____.
proton
nucleus
neutron
electron
25
The electrons of an atom ____.
have a positive charge
occupy the space surrounding the nucleus
are attached to the positive charge of neutrons
are found in the nucleus along with the protons
26
The _________ rule explains that atoms strive to have a full outer energy level, typically 8 electrons.
mole
octet
octaves
noble gas
27
Why are atoms electrically neutral?
There are more protons than electrons in atoms.
Protons and electrons cancel out each other’s charge.
The neutrons balance out any charge.
Neutrons carry no charge.
28
Ionic compounds from when valence electrons are _____.
Shared
Lost
Transferred
Donated
29
What is an isotope?
Atoms of the same element with differing amounts of neutrons
Atoms of the same element with differing amounts of electrons
Atoms of the same element with differing amounts of protons
A charged atom
30
Elements in this group are inactive gases
alkaline earth metals
halogens
alkali metals
noble gases
31
How much smaller is an electron than a proton?
20 times smaller
200 times smaller
2000 times smaller
20000 times smaller
32
What charge does a cation have?
Positive
Neutral
Negative
33
Which noble gas has a full outer energy level with only 2 valence electrons rather than 8?
Hydrogen
Neon
Argon
Helium
34
What type of ions do metals always form?
Positive ions
Negative ions
Neutral ions
35
Metals and nonmetals bonding form ___ compounds, while only nonmetals bonding form ___ compounds
ionic, metallic
covalent, ionic
ionic, covalent
covalent, metallic
36
What is special about periods on the periodic table?
They tell the number of electron energy levels
nothing; they are just rows
The have similar physical properties
They tell the number of valence electrons
37
Noble gases are the most stable, since they do not normally react with other elements.
False
True
38
What are the 3 sub-atomic particles that make up an atom?
Proton, Nucleus, Electron
Positron, Neutron, Electron
Proton, Neutron, Electron
Proton, Neutron, Electricity
39
Why do non-metals always form negative ions?
Because they join other atoms
Because they gain electrons in their outer energy level
Because they lose electrons from their outer energy level
Because they lose electrons from their inner energy level
40
What are valence electrons?
Electrons in the lowest energy level of an atom.
Electrons in the highest energy level of an atom, furthest from the nucleus
Electrons found closest to the nucleus of the atom.
Electrons that are NOT involved in bonding.
41
Valence electrons determine an atom's ___
chemical properties
identity
mass
period
42
What charge does a anion have?
Neutral
Positive
Negative
43
What do you form when you lose valence electrons?
Neutral charged ion
Cation
Anion
Negatively charged ion
44
Non-metals typically react by gaining electrons to attain noble gas electron configurations.
False
True
45
The majority of the mass of an atom comes from which subatomic particle(s)?
Protons + Electrons
Protons
Neutrons + Electrons
Neutrons + Protons
46
The larger decimal generally located under the element symbol represents the:
number of neutrons
average atomic mass
atomic number
number of protons
47
What is the atomic number of an atom?
The number of protons in an atom
The number of neutrons in an atom
The number of valence electrons in an atom
The number of variations for an atom
48
Which element would have similar chemical properties to Sulfur?
Oxygen (O)
Nitrogen (N)
Fluorine (F)
Chlorine (Cl)
