Family Name
Fun Stuff
Random Facts
Atom Knowledge
Key terms
100
neon, argon, helium
What is noble gases
100
gain electrons have (-) negative charge
What is anion
100
most elements on the periodic table are...
What is metals or solids
100
negatively charged subatomic particles
What are electrons
100
six elements that have properties of metals and non-metals
What is metalloids or semiconductors
200
gold, silver, platinum
What is transition metals
200
conducts electricity
What are metals
200
The law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements
What is Periodic Law
200
How many electrons can fill the first energy level?
What is 2
200
a horizontal row of elements on the periodic table
What is a period
300
chlorine, bromine, fluorine
What are halogens
300
the sum of the number of protons and neutrons in the nucleus
What is the Mass Number
300
name one of the semiconductors
What is boron, silicon, germanium, arsenic, tellerium, antimony
300
the neutral subatomic particles reside in the nucleus
What are neutrons
300
an atom or group of atoms that has lost or gained electrons and has a negative or positive charge
What are Ions
400
magnesium, calcium, barium
What are alkaline earth metals
400
the family that Ne belongs to
What are Noble gases
400
how many elements are on the periodic table
What is 118
400
this number represents the number of protons in an atom. this is unique to every element
What is the atomic number
400
negative charge and found moving outside the nucleus
What is an electron
500
sodium, potassium, lithium
What are alkali metals
500
atoms of the same element which have the same number of protons, but different numbers of neutrons
What are Isotopes
500
which element has yet to be observed
What is element 117
500
If an atom has 2 proton, 2 electrons, and 2 neutrons, what is its atomic mass?
What is 4
500
electrons that are located in the outermost shell
What are valence electrons
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