Vocabulary
An educated guess
What is a hypothesis?
6.022 X 1023
What is Avogadro's number?
A compound surrounded by more than the octet value.
What is Expanded octet?
The center of every atom.
What is the nucleus?
Discovered the electron.
Who is J.J. Thomson?
solid, liquid, and gas
What are the states of matter?
The molar mass of Cl2.
What is 70.9 g/mol?
The shortest form of a pi bond.
What is a triple bond?
What are protons and neutrons?
A British physicist, showed that light could be diffracted
Who is Thomas Young?
Two types of chemical bonds commonly found in compounds.
What are covalent and ionic bonds?
A number between 1 and 10 multiplied by a power
What is scientific notation?
The chemical name of this covalent compound: SO4.
Sulfur tetroxide
Particle that circles the nucleus and is negative.
What is an electron?
He proposed that particles of light are really photons.
Who is Einstein?
Electrons used by atoms to form chemical bonds.
What are valence electrons?
Number of protons plus neutrons in an atom.
What is atomic mass?
Name of this ionic compound H2SO4.
What is sulfuric acid?
A charged atom with a net negative charge.
What is an anion?
His theory along with Einstein’s ideas not only explained the photoelectric effect, but also made it possible for scientists to unravel the idea of atomic line spectra.
Who is Planck?
Atoms tend to lose, gain, or share electrons until they are surrounded by 8 electrons on their valence shell.
What is the Octet Rule?
Mass/ Volume
What is density?
The average student is in class 330 minutes/day. This makes how many hours/day?
what is 5.5 hours/day
Atoms of the same element with a different mass number.
What is isotope?
They developed the equation to calculate all spectral lines in hydrogen (2 people).
Who are Balmer and Rydberg?