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Unit 3: Element, Atoms and Periodic Table Review Flashcards | StudBud
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Unit 3: Element, Atoms and Periodic Table Review
Unit 3: Element, Atoms and Periodic Table Review
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Review for an Element, Atoms and Periodic Table Unit Test.
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
The atomic mass is the number of
Protons plus Electrons
Neutrons
Protons plus Neutrons
Protons
2
The number of neutrons in a atom can be found by
Adding the atomic mass to the atomic number
Subtracting the atomic number from the atomic mass
Subtracting the number of electrons from the atomic number
Adding the number of protons and the number of neutrons
3
The number of protons in an atom is represented by
atomic number
the atomic mass minus the atomic number
atomic mass
the atomic mass minus the number of electrons
4
I am in Period 4 and I have an atomic number of 20. Who am I?
Sodium
Scandium
Potassium
Calcium
5
Neutrons are
Neutral
Negatively charged
Positively charged
6
Up to how many electrons can the second energy level hold?
2
8
16
18
7
An atom with an atomic number of 11 and an atomic mass of 23 has how many protons?
13
10
12
11
8
Electrons are
Negatively charged
Neutral
Positively charged
9
The smallest part of an element is the
Compound
Molecule
Element
Atom
10
(Cl) and (Be) are both examples of
Molecules
Elements
Compounds
11
I have 2 neutrons and 2 electrons. Who am I?
Helium
Boron
Hydrogen
Lithium
12
The atomic number is the same number as
Electrons
Neutrons
Protrons
Protons and Electrons
13
An atom with an atomic number of 11 and an atomic mass of 23 has how many neutrons?
12
11
13
10
14
How many differnt kinds of subatomic particles are there
2
3
1
4
15
Up to how many electrons can the third energy level hold for the first 18 elements?
8
18
2
16
