Atoms
Element groups
Periodic Table
Metals
Electrons
100
Atomic Number
What tells you the number of protons an atom has?
100
K
What is the symbol for potassium?
100
They have similar properties because they have the same number of electrons in their outer shell.
Why are elements arranged in groups?
100
These elements are good conductors of electric current, are shiny and have high melting points.
What are some properties of metals?
100
Hydrogen
What atom has only one electron?
200
Neutrons
What is the subatomic particle with no charge?
200
Carbon has 6 protons, 6 neutrons and 6 electrons
How many protons ,neutrons and electrons does Carbon have?
200
One column of elements going down the periodic table.These elements will have similar properties.
What is a group of the Periodic table?
200
Be, Mg, Ca, and Sr
What is Group 2 in the Periodic Table??
200
Noble gasses.
What group has their outer electron shell completely filled and therefore is not reactive?
300
Atomic Mass
What is the weighted average of the masses of all the isotopes of the element? ( What is the mass of the neutrons and protons)
300
Noble gasses
What elements are found in the far right column of the periodic table?
300
Cu, Ag, Au
What are metals?
300
Mn, Ti, Fe, Au
What are transition metals?
300
Electrons
Which subatomic particle has a negative charge?
400
Atoms that have the same number of protons but a different number of neutrons.
What is an isotope?
400
Isotopes
What are elements that have the same number of protons but different number of neutrons?
400
He, Ne, Ar,
What are some noble gasses?
400
Group 17 and 18
What groups are not metals?
400
Electrons are in orbitals around the nucleus of the atom
How are electrons arranged in atoms?
500
Electrons flowing in one direction in a circuit.
What is electricity?
500
Hydrogen
What is the most abundant element in the universe?
500
Li, Na, K
What elements have only one electron in their outer shell?
M
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