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Periodic Table Flashcards | StudBud
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Periodic Table
Periodic Table
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#science #periodictable #elements
Flashcards
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Questions
16
Answers
1
The atomic number is made up of the number of __________
Protons
Electrons
Neutrons
Quarks
2
What is the chemical symbol for sodium?
S
Na
Cl
So
3
Group 2 has how many valence electrons?
9
1
4
2
4
The group with Helium at the top are all considered to be _______
Gases
Alkaline earth metals
Metals
Solids
5
Which element has an atomic number of 35?
Chlorine
Neon
Bromine
Hydrogen
6
Columns of the periodic table are referred to as _______
Groups
Properties
Periods
Rows
7
Rows of the periodic table are referred to as _______
Periods
Properties
Groups
Rows
8
How many protons does mercury have?
259
200
80
20
9
He is the chemical symbol for which element?
Hafnium
Silver
Hydrogen
Helium
10
Group 16 has how many valence electrons?
8
15
16
6
11
The atomic mass is usually a decimal.
False
True
12
What is the chemical symbol of the element with an atomic mass of 24.305?
Chromium
Magnesium
Cr
Mg
13
Most of the periodic table is made up of which type of element?
Nonmetals
Metals
Metalloids
Gases
14
What is the chemical symbol for gold?
Go
Au
G
Sn
15
The mass number is the number of protons and __________ in the nucleus of an atom
neutrons
protons
electrons
nucleii
16
Most of the mass in an atom is from the _______
Electrons
Protons
Nucleus
Energy levels
