The periodic table is designed to:

group elements with similar properties together

What statement can be generalized for all elements on the periodic table?

across every period, the atomic number increases

what is a periodic table

a table of the chemical elements arranged in order of atomic

Chlorine-35 and Chlorine-37 are isotopes because...

same number of protons and a different number of neutrons

What does the zig zag line on the periodic table do?

Separates metals from non metals.

Ordering periodic table based on atomic weight vs. atomic number...

Atomicweight depends both on number of protons and neutrons.

Energy change when an electron acquired by a neutral atom.

What is the difference between the trends of ionization energy and electronegativity?

Electronegitivity does not include noble gases

What is the structure of an atom?

Negatively charged electrons orbit protons

What is electron configuration?

Distributions of electrons throughout an atom or molecule

Which of the following is NOT a valid electron configuration?

[Ar], 1s2 2s2 2p6 3s2 3p6 3d10 4s2

Trends in reactivity...

Cshas the lowest ionization energy of the alkali metals.

What order are the elements on the periodic table arranged in?

Counting up by how many protons they have.

a weighted average of the masses of an element's isotopes

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Chemistry Quarter 1 Final Exam Review

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1
The periodic table is designed to:
show all of the elements in order of atomic number
group elements with similar properties together
order all elements in alphabetical order
show all of the elements that naturally occur
2
Which group of the periodic table is most reactive?
They are all equal, and are all stable
Noble Gases
Alkali Earth Metals
Alkali Metals and the Halogens
3
The number of protons + neutrons in an atomic nucleus is referred to as what?
Mass number
Isotope number
Atomic number
4
The periodic table is arranged _______________.
alphabetically
by increasing atomic mass
by increasing atomic #
5
What are the horizontal rows called on the Periodic Table?
Group
Period
Element Row
Family
6
What statement can be generalized for all elements on the periodic table?
metalloids are found on the left-hand side of the graph
across every period, the atomic number increases
down every group, the energy levels decrease
elements with more electrons will be found at the top of the periodic table
7
what is a periodic table
a table of the chemical elements arranged in order of atomic
noun Chemistry
😁
8
How many periods on the periodic table
7
3
5
6
9
What directions does increasing atomic radius go on the periodic table?
left, up
right, up
right, down
left, down
10
What is the smallest element on the periodic table?
Fr
He
Li
H
11
Across a period in the periodic table, atomic radii generally
increase, then decrease
increase
Decrease
decrease, then increase
12
Chlorine-35 and Chlorine-37 are isotopes because...
same number of protons and a different number of neutrons
same number of protons
same element
different number of neutrons
13
What does the zig zag line on the periodic table do?
Niether
Separates metals from non metals.
Separates left from right.
14
Groups on the periodic table are arranged
Horizontally
Vertically
15
What is the electron configuration of Krypton?
[Ar]4s24p64d10
1s22s22p63s23p63d104s24p6
1s22s22p63s23p64s23d104p6
1s22s23s23p64s23d104p6
16
Ordering periodic table based on atomic weight vs. atomic number...
Atomicweight is determined by # of electrons, not protons.
Atomicweight depends both on # of protons and electrons.
Atomicweight depends both on number of protons and neutrons.
Atomicweight has uncertainty; atomic # depends only on Z.
17
What is the shortcut electron configuration for Scandium?
[Ar] 4s3
[K] 4s2
[Ar] 3d1 4s2
[K] 4s13d1
18
When an ion loses a valence electron it becomes a...
Negative Charge
Equal
Positive Charge
It disappears
19
The most electronegative element on the periodic table is:
Fluorine
Radon
Francium
Hydrogen
20
Who drew this atomic model?
Democritus
Rutherford
Bohr
Aristotle
21
Electron affinity
energy change when an electron acquired by a neutral atom.
Energy change when an electron acquired by a neutral atom.
energy change when an electron acquired by a neutral atom.
energy change when an electron acquired by a neutral atom.
22
What is the electron configuration of K+?
[Ar] 4s2
[Ar] 4s1
[Ne] 3s2 3p6
[Ne] 3s2 3p5
23
As atomic radius increases, ionization energy___
Increases
Remains he same
Decreases
24
Most elements on the periodic table are metals
True
False
25
What is the difference between the trends of ionization energy and electronegativity?
Electronegitivity does not include noble gases
They are in opposite directions
Ionization energy does not include noble gases
The trend is identical
26
What did the gold foil experiment show about atomic structure
The atom is mostly comprised of electrons
The atom is mostly empty space
The atom is mostly comprised of neutrons
The atom is mostly comprised of alpha particles
27
What is the relative atomic mass of Chlorine
32.5
35.5
35.6
335
28
What is the atomic structure
Electron, Proton and Neutron
Jimmy Neutron, Clifford The Big Red Dog, Sheldon Cooper
2,8,7
Lithium Carter Oxide
29
What is the structure of an atom?
Negatively charged electrons orbit protons
Negatively charged particles in a soup of positive charges.
Negatively charged electrons surround the nucleus as a cloud
Positively charged protons orbit electrons
30
Which electron configuration represents a transition metals?
[Ar]3d^10 4s^2 4p^6
1s^2 2s^2 2p^5
[Ne]3s^2
[Ar]3d^5 4s^2
31
Across a period in the periodic table, atomic radii generally
decrease, then increase
increase, then decrease
increase
Decrease
32
Which list of elements from Group 2 is arranged in an increasing atomic radius?
Sr, Ra, Ba
Be, Mg, Ca
Ca, Mg, Be
Ba, Ra, Sr
33
What two trends can this represent?
Metallic Character & Atomic Radius
Electronegativity & Ionization
34
The Bottom of the Periodic Table is known as what?
Post Transition Metals
Non Metals
Rare Earth Metals
Transition Metals
35
What is electron configuration?
The crimson chin
Distributions of electrons throughout an atom or molecule
A political theory derived from Karl Marx, advocating class.
Electron configuration.
36
Which way does the most reactive non-metals go on the periodic table?
left
right
up
down
37
The hydrogen isotopes are-
protons, electrons, neutrons
hydrogen-1, helium-2, lithium-3
protium, deutrrium, tritium
#protons=1, #protons=2, #protons=3
38
The most electronegative element on the periodic table is:
Radon
Fluorine
Francium
Hydrogen
39
Which is a characteristic of all ions?
They have zero overall charges
They are all positive
They have one overall charge
They are all negative
40
This group (family) of elements has one valence electron
alkaline earth metals
alkali metals
noble gasses
halogens
41
Which of the following is NOT a valid electron configuration?
[Ar]
1s2 2s2 2p6
[Ar] 4s2
1s2 2s2 2p6 3s2 3p6 3d10 4s2
42
Element X is in group 5 and period 4 of the periodic table. Which statement is correct?
A
D
C
B
43
Trends in reactivity...
Cshas the greatest density of the alkali metals.
Cs isthe most conductive of the alkali metals.
Cshas the lowest ionization energy of the alkali metals.
Cshas the most electrons of the alkali metals.
44
What order are the elements on the periodic table arranged in?
Most reactive to least reactive.
In the order they were discovered.
Counting up by how many protons they have.
Gasses> Liquids> Solids
45
The periodic table contains 18 ______________.
rows
periods
groups
46
Electron configuration of Cadmium?
[Kr] 5s2 5d10
[Kr] 5s2 4d10
[Kr] 6s2 5d10
Cd
47
Atomic mass is :
twice the number of protons in one atom
the same for every atom
a weighted average of the masses of an element's isotopes
a ratio based on the mass of a Carbon-12 atom
48
Which of the following atoms has the largest atomic radius?
K
Ca
Na
Mg
49
Based on the periodic trends for ionization energy which one has the highest ionization energy?
Helium
Argon
Oxygen
Sulfur
50
Group 1 on the Periodic Table is Know as the...
Halogens
Alkaline Earth Metals
Alkali Metals
Chalogens
51
As you move from left to right across the periodic table electronegativity _________.
increases
stays the same
decreases
52
What is the electron configuration for Titanium(TI)?
1s2 2s2 2p6 3s2 3p6 4s2 3d2
[Ar] 4s2 4p2
1s1 2s2 2p6 3s2 3p6 4s2 3d2
Metal
53
What is a valence electron?
An electron on the innermost ring.
An electron inside the nucleus.
An electron on the outermost ring.
54
An atomic model that defines the atom as a ball-like structure.
Thomson's atomic model
Dalton's atomic model
Rutherford's atomic model
Bohr's atomic model
55
Why are the actinides and lanthanides separated from the rest of the periodic table?
Putting them there saves paper when printing
They're too different from all the other elements to fit in
56
Periods in the periodic table are...
columns
rows
57
Which two elements have the same ground-state electron configuration?
Cu and Ag
No 2 elements have the same ground-state electron configu...
I and S
Li and Na
58
What do we call the lowest energy state of an electron?
Ground State
Excited State
State Fair
Full State
59
"An electron must occupy the lowest energy level available" is_______.
Pauli Exclusion Principle
Murphy's Law
Hund's Rule
Aufbau's Principle
60
What element has an electron configuration of 1s2 2s2 2p6 3s1
Nitrogen
Calcium
Sodium
Iron
61
Radius size increases from left to right on the periodic table
False
True
62
Which is a characteristic of all ions?
They are all negative
They have one overall charge
They have zero overall charges
They are all positive
63
Which is the correct electron configuration?
Hydrogen (H) 1s^1 2s^1
Boron (B) 1s^1 2s^2 2p^1
Chlorine (Cl) 1s^1 2p^2 2p^4
Aluminum (Al) 1s^1 2s^2
64
The modern version of atom structure begins with who’s recognition?
Your neighbor
Rernest Etherford
Rutherford Ernest
Ernest Rutherford
65
Who created the periodic table?
Isaac Newton
Galileo Galilei
Albert Einstein
Dimitri Mendeleev
66
How many valence electrons are in the electron configuration of [Ne]3s²3p³?
1
-3
5
6
67
What is the average atomic mass of Neon?
20
20.18
10.18
10
68
What is the electron configuration for Neon?
1s22s2
1s22s22p3
1s22s22p6
1s22s22p63s2
69
Elements located to the RIGHT of the staircase on the Periodic Table are...
nonmetals
metalloids
metals
70
What is the electron configuration of potassium?
[Ar]4s1
1s22s22p63s23p63d1
[Ar]3d1
1s22s22p63s23p64s1
71
Which statements about atomic structure and the periodic table are correct?
D
C
B
A
72
Where are the least reactive elements on the periodic table?
Alkali Metals
Halogens
Nobel Gasses
Transition Metals
73
As you move from left to right across the periodic table electronegativity increases.
True
False
74
Which periodic trend is described correctly?
C
A
B
D
75
What did Moseley contribution to the periodic table?
Discovered atomic number
Provided the base to organize the elements on the table
Detailed properties of the elements
Predicted missing elements
76
Which statements about atomic structure and the periodic table are correct?
B
C
D
A
77
How would you describe this electron configuration: 1s²2s¹2p⁵
Ground State
Excited State
Impossible
78
What elemenet has an electron configuration of 1s²2s²2p⁶3s²3p⁶4s²3d⁹?
Silver
Copper
Zinc
Nickel
79
What is the atomic number for Tin?
38
50
22
34
80
According to Dalton's atomic theory, atoms can do all but the following during a chem rxn:
be destroyed
be joined
be seporated
be rearranged
81
As you go across a period on the periodic table, the size of an atom will:
increase
can't tell
remain the same
decrease
82
An atomic # is the same as the # of protons and neutrons
False
True
83
Where are the non-metals found on the periodic table?
Right hand side
Bottom
Left hand side
Top
84
What is the correct abbreviated electron configuration for Yttrium (Y)?
[Kr] 5s2 4p1
[Xe] 5s2 5p1
[Xe] 5s2 4p1
[Ne] 4s2 3p10 4d4
85
What are isotopes
Two atoms with different number of neutrons
Two different types of atoms
Two atoms with different number of protons
Two atoms with different number of electrons
86
Of the following isotopes, which is stable?
Carbon-12
Carbon-14
Potassium-40
Uranium-238
87
Periodic Trends
B
D
A
C
88
Valence Electrons are transferred to make ions in ionic bonds
True
False
89
The periodic table is arranged in such a way that there are predictable trends in some atomic characteristics.
False
True
90
Which best describes the trends in electronegativity on the periodic table?
Electronegativity decreases up and to the left.
Electronegativity increases down and to the left.
Electronegativity decreases down and to the right.
Electronegativity increases up and to the right.
91
What is the valence electron of Boron?
2
4
3
5
92
Which groups on the periodic table are the most reactive?
Groups 3 and 15
Groups 4 And 12
Groups 7 And 13
Groups 1 And 17
93
What is the relative atomic mass Carbon
l2
12
11
15
94
What are the periodic table trends?
ionization energy and electronegativity
Gucci, dabbing, and the coffin dance obviously!
Radius and ion size, electronegativity and ionization energy
alkali metals, alkaline earth, transition metals
95
Most elements on the periodic table are in which state?
Solid
Obleque
Gas
Liquid
96
What are the rules electrons follow in electron configuration?
All of the above.
Hund's Rule
Pauli Exclusion Principle
Aufbau Principle
97
How is a modern atomic model different from Bohr’s atomic model?
There is a nucleus
The electrons are found in a "cloud" like structure
The electrons are found in orbits like planets
The modern model has electrons
98
How many elements are there in the Periodic Table?
119
118
120
117
99
Where are the least reactive elements on the periodic table?
Nobel Gasses
Halogens
Transition Metals
Alkali Metals
100
Which element has the following electron configuration: 1s²2s²2p⁵3s²3p⁶
Sulfur
Aluminium
Phosphorus
Chlorine

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