Introduction
the study of "the compostition, structure, and properties of substances and the transformations that they undergo."
What is Chemistry?
has a positive electric charge and is found in the nucleus of an atom
What is a proton?
a chemist's most important tool
What is the Periodic Table of Elements?
the organization of electrons around the nucleus
sharing electrons
What is covalent bonding?
has a definite shape and volume
What is a solid?
has no electric charge
What is a neutron?
What is the atomic number?
the electrons in the outermost orbital
What is a valence electron?
donating electrons
What is ionic bonding?
the smallest piece of a substance that still has the properties of the substance
What is an atom?
an atom that has a positive electric charge
What is a cation?
the letter abbreviation
Who is Neils Bohr?
made up of the same kind of atom
What is homonuclear diatomic bonding?
a substance made of only one kind of atom
What is an element?
An atom that has a negative electric charge
What is an anion?
a slight variation in neutrons
What is an isotope?
a blur of electrons
What is the electron cloud?
combined masses of the atoms in a molecule
What is molecular mass?
two or more different elements bound in together in a constant ratio
What is a compound?
a measurement for the mass of an atom
What is an atomic mass unit?
good conductors of electricity
What is a metal?
the number of electrons on the first orbital
What is 2?
chemists would not be able to create chemical products without it