Chemistry of life
Compounds and bonding
Properties of Water
Solutions and pH
Macromolecules
100
What is a matter?
Matter is anything that has mass and takes up space.
100
What is a compound?
Formed when two or more elements are combined.
100
What is polar molecule?
Has an uneven distribution of charge.
100
What is an acid?
A substance that forms higher concentration of H+ ions in a solution that water does
100
Why are macromolecules important?
They provide energy, structural support, and store genetic information
200
What is a atoms?
Building blocks of matter.
200
What is a molecule?
More than one atom bonded together.
200
What is cohesion?
Water molecules are attracted to themselves.
200
What is a base?
A substance that forms higher concentration of H+ ions in a solution that water does
200
Define macromolecules
Very large molecules composed of carbon and other atoms
300
What is attomic mass?
Atomic mass is the number of protons, plus the number of neutrons.
300
What is a bond?
Hold atoms together into molecules.
300
What is adhesion?
Water molecules are attracted to other polar substances.
300
What is a pH scale?
A scale that meaures the acidicness of a substance
300
What are the simple units that make up polymers?
Monomers
400
What is the answers to A,B, and C
A. Electron
B. Nutron
C. Proton
400
List the 3 types of bonds
Ionic Bond, Covalent Bond, Hydrogen Bond
400
What kind of bonds do water molecules create
Hydrogen bonds
400
What kind of solvent is water referred to as?
Universal solvent
400
Which macromolecule carries the genetic blueprint of a cell?
Nucleic acid
500
Name the: Atomic Number, elimental symbol, atomic mass
1
H
1.008
500
What makes up a bond?
Molecules make up compounds, which are elements joined together by bonds.
500
What makes up proprties of water?
Water has high surface tension, water resists temperature change, water expands when it freezes, water has a high heat of vaporization, water can creep up thin tubes.
500
What is the difference between a solvent and a solute?
A solvent is the substance doing the dissolving and a solute is the substance being dissolved
500
What are the 4 main macromolecules?
Carbohydrates, lipids, nucleic acids, and proteins