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Atoms
Elements
Periodic Table
Other Stuff
Potpourri
100
The number of protons in an element is also called this.
What is atomic number?
100
Elements to the left of the zig zag line on the periodic table.
What are metals?
100
Family that is unreactive.
What is noble gases?
100
Electrons in the outermost energy level.
What are valence electrons?
100
The sum of protons and neutrons.
What is mass number?
200
The second energy level of an atom can hold this many electrons.
What is 8?
200
Two different elements can not have the same number of these.
What is protons?
200
Most active family of non-metals.
What is halogen family?
200
The center of an atom is called this.
What is nucleus?
200
DOUBLE JEOPARDY!!!!!!!!!!!!!!!!!!!!!!!
The most active group of metals.
300
Atoms of the same element, but different numbers of neutrons.
What are isotopes?
300
The chemical properties of an element are determined by the arrangement of these.
What is valence electrons?
300
Has properties of both metals and non-metals.
What are metalloids?
300
A shorthand way to represent an element.
What is atomic or chemical symbol?
300
Metals that can be drawn into this wires=______________. Metals that can be made into thin sheets=_____________.
What is ductile and malleable?
400
The place electrons are found.
What are energy levels?
400
Average mass of all isotopes.
What is atomic mass?
400
These have low melting points.
What are non-metals?
400
When protons equal electrons the atom is this charge.
What is neutral or neutrality?
400
Four things included in each square of the periodic table.
What is atomic number, chemical symbol, element's name and atomic mass?
500
This element has 36 protons.
What is Krypton (Kr)?
500
This group has three electrons in the outermost energy level.
What is Boron?
500
This element has 4 energy levels and 2 valence electrons.
What is Calcium?
500
The atomic number of the element in Period 2 with one electron in the outermost energy level.
What is 3?
500
These elements are found in Period 1.
What is hydrogen and helium?