Definition of
Chemical
What is compound or substance that has been purified or prepared
Al element
H2(g) + Cl2(g) forms 2HCl(g) what does (g) indicate
What is gas
Group 1 elements are called
What is Alkali metals
Formulas such as CH3CH2OH that show how the atoms are grouped together called
What is condensed formulas
Atom
What is the basic unit of a chemical element
Au element
How many molecules are in a mole of sugar
What is 6.022 e23
What are the 2 principle elements in the Earth's crust
Silicon and Oxygen
How many moles are in 46.1g of NH4Cl
What is 0.862 moles
Electrons
What is the subatomic particle with a negative charge of electricity
Rn element
Iron and molecular chloride react to form iron chloride. What is the formula
What is FeCl3
What are the 4 building block elements in the human body
What is hydrogen, oxygen, carbon, and nitrogen
What is the percent by mass of sodium in table salt
What is 39.35%
Dimensional Analysis
What is analysis using physical quantities added to or equated with each other
Hg element
What is mercury
In the balanced equation for the reaction of pentane and molecular oxygen, what are coefficients for products CO2 and H2O
What is 5 CO2 and 6 H2O
What is the block of elements in the periodic table is most likely to have elements forming variable charges on their cations
What is transition elements
A distinctive grouping of atoms that characterizes an organic molecule is a
What is functional group
Chemistry
What is branch of science that deals with identification of substances
NaCl element
What is salt
Hydrogen and oxygen react to form water. If a mixture containing 100 grams of each is ignited, which is the limiting reagent
What is oxygen
Where on the periodic table would you be likely to find a gas whose molecules consist of single atoms
What is the molar mass of CaCO3
What is 100g/mole