Protons, Neutrons, & Electrons
Molar Mass
Elements
Bohr Models
Valence Electrons
100
How many Neutrons does Boron have?
6 Neutrons
100
What is the molar mass of NaBr?
102.894 g/mol 
100
What is th element name for B?
Boron
100
What three Charges does Bohr Models contain?
Protons(+), Neutrons(N), and Electrons(-)
100
How many valence elctrons does the element Na have?
1 valence electron
200
How many Electrons does Copper have?
29 Electrons
200

What is the molar mass of B2F2?

59.618 g/mol
200
What is the element name for Na?
Sodium
200
Energy Levels hold what charge?
Electrons(-) 
200
How many valence electrons does the element Ca have?
2 valence electrons
300
How many positive charged particles does Pb have?
82 Protons
300

What is the molar mass of Na3PO4?

163.94 g/mol
300
What is the element symbol for Copper?
Cu
300
How many elctrons can the 1st energy level hold?
2 electrons
300
True or False, does Boron contain 13 valence electrons?
False, it contains 3 valence electrons
400
How many neutral charged particles does Ba contain?
81 Neutrons
400

What is the molar mass of Ca(OH)2?

74.092 g/mol
400
What is the element symbol for Silver?
Ag
400
How many electrons can the 2nd energy level hold?
8 electrons
400
How many valence electrons does the element Arsenic contain?
5 Valence electrons
500
How many non charged particles does Thallium have?
123 Neutrons
500

What is the molar mass of Fe3(PO4)2?

357.475 g/mol
500
What is the element symbol for Mercury?
Hg
500
How many electrons can the 3rd shell hold?
18 electrons
500
True or false, does the element He contain 8 valence electrons?
False, it contains 2 Valence electrons
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