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Elements
Inside and Atom
Models of atoms
100
letters that represent an element
What is chemical symbol
100
The tiny central core of an atom that contains protons and neutrons.
What is the nucleus
100
the current model of the atom form the 1920s
What is the Modern Model
200
the horizontal rows on the periodic table
What are periods
200
a part of an atom that carries a positive charge
What is a proton
300
Carbon, Silicon, Germanium, Tin, and Lead
What is the carbon familiy
300
the electrons farthest away from the nucleus that are involved in bonding
what are valence electrons
400
what is the chemical symbol for chlorine
What is Cl
400
One way to show the valence electrons of and atom
What is an electron dot diagram
500
noble gases
What are helium, neon, argon, krypton, xenon, radon
500
Part of an atom that carries no charge (aka is NEUtral)
What is a neutron