Periodic Table
The periodic table
What is the chart that organizes all the known elements and their properties?
Solid, liquid, gas, plasma
What are the 4 states of matter?
Suspension
What is a type of mixture that will separate if left sitting out (such as dirt and water)
Formation of gas, release of heat, color change, and formation of a precipitate
What are the signs of a chemical reaction?
Father of modern chemistry
Who was Antoine Lavoisier?
7 and 18 represent these
What are how many periods and how many groups are on the periodic table?
Sublimation
What is it when a substance goes straight from being a solid to a gas?
This keeps a colloid from separating
What is an emulsifier? (remember that another name for colloid is "emulsion")
The magic number
What is 8?
Stomach acid is made of this
What is Hydrochloric acid? (HCl)
The atomic number of the element in period 8, group 8
When a substance goes straight from being a gas to a solid
Solute and solvent
What is being dissolved, and what is doing the dissolving?
Chemical bond with a high melting point
pH or pH
What is "power of hydrogen" or "potential for hydrogen"?
(we don't really know which it really is)
Who was Dimitri Mendeleev? (spelling may vary)
Only occurs on the surface of a liquid
What is evaporation?
A mixture with more solute than solvent
Cation and anion
What are positively charged and negatively charged ions?
Søren Peder Lauritz Sørensen
Who developed the pH scale?
These are horizontal and vertical on the periodic table
What are rows (periods) and groups (columns / families)?
Mass
What is the total amount of matter an object has (usually in kilograms)
The universal solvent
What is water?
A bond consisting of a "sea of electrons" ("take a penny, leave a penny")
What is a metallic bond?
Di-hydrogen monoxide
What is water? (and should we ban it?)