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Periodic Table
My Friend Atom
Even More on Atoms
Potpourri
Practice!
100
There are ________ (#) periods on the Periodic Table and they run ________.
What is seven and rows (sideways).
100
Has a negative charge.
What is an electron?
100
This equals the number of protons and the number of electrons.
What is the atomic number?
100
The charge of a single (unreacted) atom.
What is neutral.
100
This element has 2 protons.
What is Helium?
200
There are _______ (#) groups on the Periodic Table and they are in ________.
How many are 18, and columns (up and down)?
200
It has no charge.
What is a neutron?
200
The sum of protons plus neutrons.
What is the atomic mass?
200
Electrons are located in.
What are electron clouds (energy levels)?
200
This element has 12 neutrons and 11 protons.
What is Sodium?
300
The maximum numbers of electrons in the first, second and third energy levels are...
How many is 2, 8 and 8?
300
Both are located inside of the nucleus.
What are protons and neutrons?
300
The atomic mass is 14.
What is Nitrogen?
300
An atom that has gained an electron.
What is a negative ion?
300
Has an atomic mass of 7.
What is Lithium.
400
Elements in Group 1 have ________ (#) of valence electrons.
How many is 1?
400
Determines the chemical properties of an atom. The outermost electrons.
What are valence electrons.
400
The number of protons is 17.
What is Chlorine?
400
An atom that has lost an electron.
What is a positive ion?
400
To find the number of neutrons you...
Subtract atomic # (protons) from atomic mass. (mass-P+N)
500
Elements in Group 17 have ________(#) valence electrons?
How many is 7?
500
The number of electrons in an atom is equal to.
What is equal to number of protons (atomic #)
500
The atomic mass is 207.
What is Lead?
500
Atoms are most stable when the outside energy level (electron shell) is...
What is full?
500
The difference between two isotopes.
What are neutrons (atomic mass)?