The two types of observations that you can make when using the scientific method.
What are qualitative and quantitative observations?
The number of seconds in a year.
What is 31,536,000 or 3.1 X 107 seconds?
The number of orbitals in an f shell
What is 7?
Name of this covalent compound: PF3
What is phosphorous trifluoride?
"No 2 electrons in an atom can have the same 4 quantum numbers" is a statement of
What is the Pauli Exclusion Principal?
A kind of matter with uniform properties.
What is a substance?
The density of a metal that has a mass of 2 kg and a volume of 6 m3.
What is 0.33 kg/m3?
The ability of an atom in a molecule to attract electron density to itself is termed
What is electronegavity?
The name of this ionic compound: H3PO4
What is Phosphoric acid?
Scientist that said that Electrons in atoms can have only certain values of energy.
Who is Bohr?
the separation, combination, or rearrangement of atoms
What is chemical reaction?
115 degree Celsius is Fahrenheit.
What is 239?
The quantitative study of reactants and products in chemical equation.
What is stoichiometry?
Name of the following covalent compound N2O3
What is dinitrogentrioxide?
French physicist, reasoned that particles (matter) might also have wave properties.
Who is Louis de Broglie?
The naturally occurring mixture of isotopes.
What is average mass?
Number of electrons in the atom N3-
What is 10?
The amount of product actually obtained in a reaction
What is actual yield?
The name of this covalent compound Cl2O7.
What is dichloride heptoxide?
He showed how it is impossible to know with absolute precision both the position, x, and the momentum, p, of a particle such as electron.
Who is Heisenberg?
Law that says that there must be the same number of each type of atom on both sides of the arrow in a chemical reaction.
What is the law of conservation of mass?
Wavelength of radiation that has a frequency of 6.912 X 1014 S-1
what is 4.33 X10-7 meters?
Bond type in this compound: NaCl
What is an ionic bond?
what is the element with this electron configuration 1s2 2s2 2p6 3s1
What is sodium?
The photoelectric effect was first observed by
Who is Heinrich Hertz?