Atoms
A positively charged subatomic particle
proton
electrons
groups
elements that have properties of both metals and nonmetals
semiconductors or metalloids
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A subatomic particle without charge that contributes to the mass of the atom.
Which two subatomic particles make up the nucleus?
protons and neutrons
What are rows on the periodic table called?
periods
Elements in the same group have the same number of what?
valence electrons
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Who is Pocahontas?
valence electrons
All atoms want ______ valence electrons.
8
Elements on the periodic table are arranged by what?
atomic number
How do you know that potassium (K) is highly reactive?
it only has 1 valence electron
What is the name of Thor's magic hammer?
Mjolnir
The number of protons in an atom is equal to what?
atomic number
Neutral atoms contain the same number of what?
protons and electrons
Elements that belong to groups 3-12 and are somewhat reactive
transition metals
reactive elements of group 17 that are poor conductors
halogens
What was the name of the small town where mc queen in the movie Cars finds himself stranded?
what is radiator springs
the correct arrangement of Eletrons on the rings.
2,8,8,16,32
Atoms with the same number of protons, but with different neutrons.
isotopes
How many valence electrons does group 13 have?
3
alkali metals
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