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Chemistry Quarter 1 Test Super Review SY 24-25 Flashcards | StudBud
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Chemistry Quarter 1 Test Super Review SY 24-25
Chemistry Quarter 1 Test Super Review SY 24-25
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1
As an electron's energy goes up, its
None of these
Its color becomes warmer
Wavelength goes down
Frequency goes down
2
What is the correct electron configuration for cobalt?
1s22s22p62d103s2
1s22s22p63s23p64s24p65s1
1s22s22p63s23p63d9
1s22s22p63s23p64s23d7
3
True or False: The periodic table tells me the mass number of an atom.
False
True
4
What number should be replaced by the question mark for Nitrogen: 1s
2
2s
2
2p
?
3
1
2
4
5
If an electron releases a low amount of energy, what color might it be?
Violet
Magenta
Orange
Red
6
What is the noble gas configuration for Chlorine?
[Ne]3s23p6
[Ne]3s23p5
[He]3s23p5
[Ar]3s23p5
7
What element has the following ground state electron configuration?
Silicon
Phosphorus
Gallium
Aluminium
8
How many electrons in an atom with the electron configuration of 1s
2
2s
2
2p
6
3s
1
11
6
4
12
9
Are any of the three rules/principles Aufbau, Hund, or Pauli broken in the orbital diagram
Hund
Aufbau
None
Pauli
10
True or False: Protons and neutrons contribute to an atom's atomic number.
False
True
11
What is the correct electron configuration for a ground-state atom with 7 electrons?
1s22s22p23s1
1s22s22p3
1s22s32p2
1s22s5
12
What's the molar mass of CO
2
?
44 g/mol
28 g/mol
42 g/mol
40 g/mol
13
Which type of electromagnetic radiation has the highest energy?
Ultraviolet Rays
Gamma Rays
Microwaves
X-Rays
14
What element has the following ground state electron configuration? 1s
2
2s
2
2p
5
Bromine
Neon
Fluorine
Chlorine
15
Balance the following nuclear equation:
6529Cu
6531Ga
6629Cu
6630Zn
16
What is the standard electron configuration for Oxygen?
1s22s2
1s22s22p63s23p4
1s22s22p2
1s22s22p4
17
What is the standard electron configuration for Calcium?
1s22s22p63s23p64s1
1s22s22p63s2
1s22s22p63s23p64s25s2
1s22s22p63s23p64s2
18
A set of P-orbitals can accommodate up to ___ electrons.
10
14
6
2
19
In an atom, which of these subatomic particles has almost no mass?
Electrons
Protons
Neutrons
20
Are chlorine-35 and chlorine-37 isotopes of each other? Why, or why not?
Yes, they have the same atomic number
No, they have different atomic numbers
No, they have different mass numbers
Yes, they have the same mass number
21
In an atom, which of these is
not
a subatomic particle?
Neutrons
Positrons
Electrons
Protons
22
Identify the element based on the electron configuration.
Sodium
Krypton
Argon
Potassium
23
Can an electron absorb any wavelength of light?
No, because electrons can't absorb light, only electricity or heat
No, electrons can only absorb certain wavelengths
No, electrons don't absorb light, they release it
Yes, electrons are compatible with all wavelengths
24
Are any of the three rules/principles Aufbau, Hund, or Pauli broken in the orbital diagram
None
Hund
Pauli
Aufbau
25
If an atom has 26 protons and 29 electrons, what is its charge?
-1
-3
+3
+55
26
Balance the following nuclear equation:
0+1e
42He
0-1e
00γ
27
In general, how do you calculate the net charge of an atom?
Protons + electrons
Protons - electrons
Protons - neutrons
Protons + neutrons
28
If the half-life of a sample is 20 days, and 3 half lives have gone by, how long has it been?
35 days
60 days
20 days
40 days
29
Looking at the image, what seems to be the half-life for Californium-252?
3.2 years
2 years
2.6 years
5.2 years
30
Which part of Dalton's atomic theory has been changed?
Elements are made of atoms.
Atoms cannot be created, destroyed, or subdivided.
Atoms of one element are the same everywhere.
Atoms can rearrange themselves in chemical reactions.
31
Which of these nuclear equations demonstrates gamma decay?
Equation 2 and 4
Equation 2 only
Equation 1 and 2
Equation 1 only
32
Are any of the three rules/principles Aufbau, Hund, or Pauli broken in the orbital diagram
Hund
Pauli
None
Aufbau
33
If 20% of a radioactive sample remains,
at least
how many half-lives have gone by?
3
4
1
2
34
Complete the electron configuration for calcium: 1s
2
2s
2
2p
6
3s
2
3p
6
...
4s2
3d1
4s24p1
3d14s1
35
Name the element at
1s
2
on the Periodic Table.
He
Na
C
K
36
What element has the following ground state electron configuration?
[
Ar
]
4s
2
3d
10
4p
3
Nitrogen
Antimony
Arsenic
Krypton
37
What is the standard electron configuration for Krypton?
1s22s22p63s23p64s23d104p6
1s22s22p63s23p64s24p6
1s22s22p63s23p64s24d104p6
1s22s22p63s24p64s23d103p6
38
What is the noble gas configuration for Zinc?
[Kr]4s23d10
[Ar]3s23d10
[Ar]4s23d10
[Ar]4s24d10
39
What's the molar mass of Na
2
O?
62 g/mol
69 g/mol
39 g/mol
55 g/mol
40
What are the three types of radioactive decay?
Beta, gamma, delta
Alpha, gamma, lambda
Alpha, beta, gamma
Alpha, beta, theta
41
If an electron has a
long
wavelength, what kind of color might it emit?
Blue
Purple
Red
Green
42
What number is 8.329 x 10
-3
equivalent to?
0.8329
8,329
0.008329
0.8
43
In the number 60,010, how many sig figs are there?
2
5
3
4
44
The molar mass of an element is equal to
Its mass number
Its average atomic mass
Its atomic number
Its number of electrons
45
Which of the following is the electron configuration for sulfur?
1s22s22p63s23p4
1s22s22p63s2
1s22s22p4
1s22s22p63s23p64s2
46
How many grams does a mole of oxygen gas weigh?
32 g/mol
44 g/mol
24 g/mol
16 g/mol
47
If an electron has a
high
frequency, what kind of color might it emit when it releases energy?
Violet
Blue
Green
Yellow
48
What is the noble gas configuration for Potassium?
[Kr]5s1
[Ar]4s1
[Ne]3s1
[Kr]4s1
49
What element has the following electron configuration: 1s
2
2s
2
2p
6
3s
2
3p
1
Al
Mg
Si
B
50
In the number 7.090 x 10
5
, how many sig figs are there?
1
3
2
4
