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Discovering Design With Chemistry Chapter 4 review Flashcards | StudBud
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Discovering Design With Chemistry Chapter 4 review
Discovering Design With Chemistry Chapter 4 review
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Questions
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Answers
1
The chemical symbol for silicon is Si.
False
True
2
Is this constructive or destructive interference?
Constructive
Destructive
3
Which element has similar chemical properties as oxygen?
sulfur (S)
fluorine (F)
H (hydrogen)
carbon (C)
4
What is the current model of the atom called?
Bohr model
Quantum mechanical model
planetary model
Plum pudding model
5
What is the abbreviated electron configuration for bromine?
[Ar] 4s² 3d6 4p⁵
[Ar] 4s² 3d¹⁰ 4p⁵
[Ar] 3d7 4s2
[Ar] 4d¹⁰ 5s¹
6
Ionic compounds must be made of a metal and a nonmetal.
True
False
7
What is the full electronic configuration of lithium?
1s12s1
1s22s1
3s1
1s22s2
8
What is an Ion?
an atom that is neutrally charged
an atom that gains neutrons
a molecule that loses electrons
an atom with a charge due to the loss or gain of 1 or more electrons
9
How can you find the valence electrons of an element?
the column/group number
the atomic number
the mass number
the chemical symbol
10
The chemical symbol for Boron is Bo.
True
False
11
How many electrons can the
s
orbital hold?
2
14
6
10
12
What is the chemical name of Co
2
O
3
?
Cobalt Oxide
Cobalt Oxygen
Cobalt (III) Oxide
Cobalt (II) Oxide
13
Ionic compounds are formed between metals and metalloids.
True
False
14
Ionic compounds split up into their ions when dissolved, and those ions move freely in the solution.
True
False
15
Is this constructive or destructive interference?
Destructive
Constructive
16
If one element in an ionic compound is in group 2A, to which group does the other element belong?
5A
6A
7A
8A
17
Define Electrolysis
Splitting nonmetals into atoms using electricity
Separating out chemicals from a solution
Splitting metals into atoms using electricity
Using electricity to break down a chemical
18
The theory of wave-particle duality states that light and subatomic particles have properties of ---------
Just a wave and not a particle
Neither a particle nor a wave
Just a particle and a wave
Both a particle and a wave
19
Negative ions (anions) form when an atom ...
shares electrons.
gains electrons.
loses electrons.
loses protons.
20
What is the Aufbau Principle?
electron occupy the orbitals of highest energy first
an atomic orbital may contain at most two electrons
Valence electrons are dots around the chemical name of an atom
electrons occupy the orbitals of lowest energy first.
21
How many electrons can the
d
orbital hold?
6
14
10
2
22
Magnesium would have the same Lewis structure as...
W
V
X
Y
23
Which of the following is NOT associated with the Quantum Mechanical Model?
Electrons are analyzed as waves
Electron Cloud
Discovered by Niels Bohr
Energy Sublevels
24
Which family group has 8 valence electrons and is made of non-reactive gases?
Alkali Metals
Alkaline Earth Metals
Halogens
Noble Gases
25
Who explained the electron cloud model?
Sir Isaac Newton
Thomas Young
AlBert Einstein
Erwin Schrodinger
26
Lewis (Dot) structure shows the number of valence electrons.
True
False
27
The chemical symbol for neon is Ne.
True
False
28
Elements in the same column (group) of the Periodic Table have similar atomic number.
False
True
29
This image is of a Quantum Mechanical Model.
True
False
30
What are valence electrons?
the electrons in the outermost energy level
the electrons in the innermost energy level
31
What is the chemical name and formula for sodium and oxygen?
sodium oxide, Na2O
sodium oxygen, NaO
sodium oxygen, NaO2
sodium oxide, NaO2
32
In Experiment 4.3 (electrolytes and nonelectrolytes), the pure water conducted electricity.
True
False
33
The chemical symbol for potassium is P.
False
True
34
How many dots will Bismuth have in the Lewis Structure ?
8
1
5
6
35
How many electrons can the
p
orbital hold?
14
10
2
6
36
Which of the answers is NOT a quality of a metal?
brittle
conduct heat and electricity well
shiny
bendable
