Mixtures of chemicals can be separated by _______ and _______ techniques.
What is physical and chemical?
What is the chemical symbol of hydrogen?
What is H?
Group number and period number of helium.
What is Group 18 and Period 1?
A method that can be used to separate a suspension of a liquid and a solid, where the solid removed is called the residue and the liquid, filtrate.
What is a filtration?
We name simple chemical compounds by using _______________.
What is a chemical formula?
What gases* are released during cellular respiration? (Hint: cellular respiration is the opposite of photosynthesis)
What is carbon dioxide and water vapor?
When the mixture consists of a solid substance that is dissolved in the solvent, what type of separation technique is usually used?
What is evaporation?
The first element named in a compound is usually this type of element.
What is a metal?
Purest form of carbon
What is diamond?
A separation technique where a liquid is boiled and the vapor is condensed to obtain a purer sample of said liquid.
What is distillation?
The prefix used for 4 atoms in a compound.
What is tetra-?
"Father of the Periodic Table"
Who is Dmitri Mendeleev?
Particle theory rests on four main postulates: 1. All matter is made up of particles, 2. All particles are the same for a pure substance, 3. All particles exhibit an attractive force, and 4. this...
What is "All particles are always in motion"?
_________ _________ separates crude oil into different* substances(e.g. gasoline and diesel)
What is a fractional distillation?
The rule that determines which element is named first in a compound.
What is the element furthest to the bottom left on the periodic table?
Group 17 goes by this name.
What is a halogen?
The chemical formula of FOOF (Hint: F is the chemical symbol of fluorine)
What is dioxygen diflouride?
*"FOOF" is the nickname of (O2F2)