Common Compounds
What is the chemical formula for water
H2O
E = MC2
Albert Einstein
Convert the following number to standard notation
1.25 x 108
125,000,000
True or False
Brass is an element located on the Periodic Table
False, brass is an alloy of copper and zinc
The king of change in which one or more new substances are formed
Chemical change
What is the chemical formula for carbon dioxide?
CO2
This scientist is considered to be the father of modern chemistry
Robert Boyle
Convert the following number to scientific notation .0000478
4.87 X 10-5
How many elements are on the periodic table?
118
Matter that has exact he same composition is classified as a_______
Pure substance
How many elements and atoms are in the compound CH3OH?
Three elements, six atoms.
This scientists is an expert on experimental physics and has also guest stared on ”Big Bang Theory”.
Stephen Hawking
if the experimental value in an experiment is 2.54g and the accepted value is 2.06g; calculate the percentage error.
23.30%
What is the rarest blood type?
AB negative
This is the process that occurs when a solid is put into water and breaks up into its individual particles and the particles become surrounded by water molecules.
Dissolving
What is the chemical formula for table salt?
NaCl
This scientist helped spur the scientific Revolution by challenging the geocentric theory
Nicolaus Copernicus
An block of wood has a volume of 235mL and a mass of 76.1g. Calculate the density. Will in float in a river? How do you know?
.32 g/mL. Yes it will float because water has a density of 1g/mL and the wood has a lower density.
Where can you find the smallest bone in the human body?
Middle ear
Another name of a gaseous state of matter
Vapor
Which elements are in the formula for table sugar?
Carbon, Hydrogen, and Oxygen
This scientist was the rival of Thomas Edison, favoring Alternating Current.
Nikola Tesla
A brick as dimensions of 6.8 cm, 14.0 cm, and 6.4 cm. It has a density of 16.7 g/cm3. Calculate the mass in kilograms.
10,174.976 grams, 10.174976 kilograms
What is the hardest known natural material?
Diamonds
When metals are pulled into wires is an example of which physical property?
Ductility