Matter
Color, Odor, Shape, Density, Melting/Boiling Point are examples of these
What are PHYSICAL PROPERTIES?
developed plum pudding model
What is Thomson?
This compound's formula is MgF2
What is Magnesium Fluoride?
What is the molar mass of Phosphorus?
What is 30.97 grams/mole ?
Name two forms of energy that can be used to break chemical bonds
What are heat, light, electricity, or sound?
type of cond if difference in EN is zero
What is nonpolar covalent bond?
characteristic of a substance or material that is observed during a chemical reaction
What is a chemical property?
the name of group 17 elements
What are halogens?
coined the name atom
Who is Democritus?
This compound has a formula of N2O4
What is dinitrogen tetroxide?
How many grams of Phosphorus are in 2.0 moles of Phosphorus?
30.97 x 2.0 = 62 g
Three things that affect reaction rate
What are particle size, temperature, and concentration of reactants?
Reaction in which energy is released to the environment
What is exothermic?
change of state from a solid to a gas
What is sublimation?
DAILY DOUBLE
This group of elements contain metals with multiple oxidation numbers.
What are transition metals?
proposed elements were made of the same type of atoms
What is the formula for Cobalt ( IV) Bromide ?
What is CoBr4 ?
How many moles are in 405 g of calcium?
What are 10.1 moles of calcium?
Substance(s) that participate in a reaction
What are reactants?
DAILY DOUBLE
Type of bond for a compound made from arsenic and bromine
What is a polar covalent bond?
has no definite shape or volume
What is a gas?
the number of energy levels in an atom of strontium
What are five?
elements that are inert and tend to exist as single atoms
What are noble gases?
What is the formula for Triphosphorus Dibromide ?
What is P3Br2 ?
DAILY DOUBLE
How many moles of Calcium Chloride are in 151 g of Calcium Chloride ?
What are 1.36 moles ?
Type of bond in which electrons are transferred
What is an ionic bond?
What is an ionic bond?
indefinite shape but a definite volume
What is a liquid?
the most electronegative element
What is fluorine?
the group name for sodium
What are the alkali metals?
the formula for iron (IV) oxide
What is FeO2 ?
the number of moles in 65.38 g of zinc
What is 0.9995 mole?
What are change of color, production of light or sound, formation of a precipitate, temperature change, change of odor, production of a gas?
Number of neutrons in the most common isotope of gold
What are 118 neutrons?