Basics 101
A pure form of matter that cannot be broken down into simpler substances
Element
This scientist, in 1803, came up with what we call the billiard ball theory where atoms are uncuttable and atoms of the element are the same.
John Dalton or Dalton
What is the written symbol for a proton? (be specific)
lowercase p with a + sign
What is the elemental symbol for Hydrogen?
H
What is the elemental symbol for Aluminum?
Al
Smallest part of a chemical element that can exist.
Atom
This scientist, in 1897, developed what we call the chocolate chip cookie theory where atoms are positive and have negatively charged particles sprinkled about inside them.
J.J. Thompson or Thompson
Neutrons have what charge?
Neutral or no charge
Au is the elemental symbol for what?
Gold
Na is the symbol for which element?
Sodium
An element's Atomic Number tells us the number of _________ that element contains.
Protons
Ernest Rutherford in 1908 developed his theory which we regard as which fruit having a dense center (nucleus) with mostly empty space surrounding it?
Cherry Pit or Cherry theory
What is the written symbol for an electron? (be specific)
lowercase e with a - negative sign
N is the chemical symbol for what element?
Nitrogen
Fe
The Atomic Mass of an element is the average mass of all the ____________ of that particular element.
Isotopes
Neils Bohr or Bohr Theory
What is the only particle that has a atomic mass of 0, or is essentially mass-less.
Electron
He is the symbol for which noble gas?
Helium
What is the elemental symbol for copper?
Cu
An element's Mass Number tells us what about an element?
Its number of protons and neutrons
The most current theory tells us that electrons do not move in orbits but instead at high speeds to form a "_________?" (hint: cotton candy)
Electron cloud or cloud theory
True or False: Elements can be named after famous scientists, heavenly beings, Greek gods, or places.
True
Ne is the chemical symbol for what element?
Neon
(Hard) - Np is the elemental symbol of what element?
Neptunium