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Atoms Review 2018 Flashcards | StudBud
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Atoms Review 2018
Atoms Review 2018
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#atoms #unitreview
Flashcards
23 cards
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Practice quiz
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Questions
23
Answers
1
What element is being shown in the picture?
Hydrogen
Sodium
Neon
Lithium
2
How many dots will the Lewis Structure for Chlorine have?
17
16
9
7
3
Which of the following is a true statement under the Atomic Theory?
Matter can be created and destroyed
All matter is made up of atoms
Atoms are divisible
4
What is the atomic number for Oxygen?
12
34
8
16
5
What is the Mass number for this isotope?
12
11
1
23
6
How confident are you on acing this test?
I'm unsure of a lot and need more practice
80% I think I'll be okay
100% going to Ace this test!
60% I might need to practice a bit more
7
This number is represented by the atomic number...
Protons
Neutrons
Weight
Mass number
8
Which is the most common isotope for Sodium (Na)?
Na-23
Sodium-22
Na-21
Sodium-21
9
How are the number of neutrons found?
Mass number minus Atomic Number
Protons minus Electrons
Protons plus Electrons
Atomic Mass plus Atomic Number
10
The "10" within the atomic symbol represents what?
Mass Number
Atomic Number
Element Symbol
Atomic Mass
11
How many protons does this atom contain?
13
24
11
12
12
How many valence electrons does Argon have?
6
18
8
2
13
How many NEUTRONS does this isotope contain?
11
12
24
13
14
What is the atomic number for this element?
20
30
10
15
Which two particles are the most similar in mass?
Electrons and Neutrons
Protons and Electrons
Protons and Neutrons
16
This subatomic particle has a negative charge...
Electrons
Protons
Neutrons
17
What element is being shown in the picture?
Carbon
Argon
Chlorine
Neon
18
Which group of elements have 3 valence electrons?
N, P, As
F, Cl, Br
B, Al, Ga
He, Ne, Ar
19
What are the 2 subatomic particles that make up the mass in the nucleus?
Neutrons and Protons
Protons and Electrons
Atomic Number and Atomic Mass
Electrons and Neutrons
20
The valence electrons can be found on...
the last electron shell
the first electron shell
the second electron shell
21
Which subatomic particle has the least mass; less than 1 amu?
Neutrons
Protons
Electrons
22
Written in nuclear notation, the 24 represents what?
Atomic mass
Mass number
Atomic number
Number of protons
23
Is Neon-21 considered the most common isotope?
Yes
No
