Atoms Identifiers Groups and Periods Which is Which Math
100
What is a Proton.
This subatomic particle has a positive charge
100
What is Chemical Symbol.
A letter or letters that are used to identify an element on the Periodic table.
100
What is Hydrogen.
The element that is in group 1, period 1.
100
What is Lithium
This element has 3 Protons
100
What is Neutrons
Mass- Protons =
200
What is neutron.
This subatomic particle has a neutral charge.
200
What is atomic number
The smaller number that tells us the number of protons an atom has
200
What is Oxygen
The element that is in group 6, Period 2.
200
What is Calcium.
This element has 20 Electrons.
200
What is 5.
The number of neutrons Berrylium has.
300
What is protons and neutrons.
These subatomic particles are found in the nucleus.
300
What is the atomic mass
The larger number associated with an element.
300
What is Tin
The element that is in group 14, Period 5
300
What is Group 17.
This group has 7 Valence Electrons
300
What is 20.
The number of neutrons Potassium has.
400
What is an electron
This subatomic particle has a negative charge.
400
What is neutrons.
To find the atomic mass of an element you have to add the protons and ________.
400
What is group 1, period 3
Sodium is in this group and this period
400
What is Silicon.
This element has 14 Protons and 4 Valence Electrons
400
What is 45.
The number of neutrons Selenium has
500
What is protons and electrons
There are always an equal amount of these subatomic particles in order to make an atom neutral
500
What is protons.
The number of electrons an atom has is always equal to the number of _________.
500
What is group 18, period 4
Krypton is in this group and this period.
500
What is 7
The number of valence electrons Iodine has.
500
What is 22.
The number of neutrons Argon has






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