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Mr. West
100
The smallest unit of life that can survive on its own.
What is a cell?
100
A pure substance that cannot be broken down by chemical means into other substances.
What is an element?
100
Water molecule is made up of a central _______ atom bound by two hydrogen atoms.
What is oxygen?
100
A substance that increases the concentration of H ions in a solution.
What is an acid?
100
What High School did Mr. West go to?
Sacred Heart
200
Instrument used to make objects appear larger.
What is a microscope?
200
Living matter is almost entirely composed of four elements. Name 2.
What is: Oxygen, Carbon, Hydrogen, Nitrogen.
200
Molecule that has one end with a slight negative charge and one end with a slight positive charge.
What is a polar molecule?
200
Substance that increases the concentration of OH ions in a solution.
What is a base?
200
What University did Mr. West go to?
Western/Nipissing
300
What is in Mr. Wests hands?
What is a virus?
300
A pure substance, made up of two or more chemically combined elements.
What is a compound?
300
Molecules that do not have charged ends.
What is a non-polar molecule?
300
Measures how acidic or basic a solution is.
What is pH scale?
300
How many siblings does Mr. West have?
4
400
Molecules are made from multiple ________.
What are atoms?
400
When two atoms share electrons they form this.
What is a covelent bond?
400
Attraction between the slight positive charge on a hydrogen atom in one molecule and the slight negative charge on an atom of a nearby molecule.
What is a hydrogen bond?
400
Type of substance that has a pH below 7.
What is an acid?
400
What are Mr. West's hobbies?
Basketball/Volleyball/Reading
500
Atoms are the smallest units of _________.
What are elements?
500
Energy is either __________ or __________ during a chemical reaction.
What is absorbed or released?
500
What is the difference between a hydrophobic and hydrophilic substance?
Hydrophobic = Water Fearing Hydrophilic = Water Loving
500
What base would neutralize a substance with a pH of 6?
A substance with a pH of 8.
500
How tall is Mr. West?
6'4