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Unit One-Periodic Table Flashcards | StudBud
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Unit One-Periodic Table
Unit One-Periodic Table
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#chemistry
Flashcards
12 cards
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Practice quiz
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Questions
12
Answers
1
How many valence electrons are in Carbon?
2
12
4
6
2
My atom has 33 protons what element am I?
Radium
Arsenic
Helium
Sulfur
3
What, on the periodic table, tells you the number of energy levels?
The atomic number
The periods
The atomic mass
The groups
4
The number of protons [Blank] the number of electrons. (In a neutral atom)
equals
is
5
How can we find the number of neutrons in an atom?
Atomic number - atomic mass
Atomic mass - atomic number
Atomic number - electrons
6
The atomic number [blank] the number of protons
is
equals
7
How many neutrons are in a Potassium atom?
20
19
58
39
8
What is the atomic number of Tin?
52
81
50
22
9
What, on the periodic table, tells you the number of valence electrons?
The atomic number
The atomic mass
The one's place of the group number
The period number
10
My atom has 5 valence electrons and 3 energy levels. What element am I?
Indium
Lithium
Boron
Phosphorus
11
What is the identity of an atom?
The nucleus
The electrons
The neutrons
The protons
12
What on the periodic table tells us the number of protons in an atom?
Atomic number
Atomic symbol
Atomic mass
