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12 questions
The Atomic number is known as the _______
Number of electrons in an atom
Number of Protons in an atom
Number of neutrons in an atom
Number of Protons and electrons in an atom
What charge do protons have?
Positive
Negative
Neutral
What is Atomic Mass Number ?
Number of Protons
Number of Neutrons
Number of Protons and Neutrons
Number of Protons and Electrons
The number of electrons in an atom is equal to the...
Atomic number
Protons
Atomic Mass
Neutrons
The formula used to calculate the number of neutrons is:
Mass Number - Atomic Number
Protons + Electrons
Atomic Number - Mass Number
Protons x2
How many periods are on the periodic table?
5
6
7
8
Elements in the same group have : (2 correct answers)
Similar chemical properties
Similar names
Same number of outer (valence) electrons)
The same number of protons
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