Show:
Water
Atom
Acids and Bases
Biological Molecules
Potato
100
Is water a polar or nonpolar molecule?
Polar
100
The electrons are located where in an atom?
Surrounding the nucleus in the electron cloud
100
What is the chemical formula for Hydronium?
H30+
100
What is the name of the simplest sugar?
Monosaccharide
100
What is the subatomic particle in an atom without any charge?
The neutron
200
What is the molecular formula for water?
H2O
200
An atom has 15 protons and 6 neutrons. What is its atomic number?
15
200
What is the chemical equation for Hydroxide?
OH-
200
How do plants store polysaccharides?
As cellulites
200
CO2 is combined with what molecule to begin photosynthesis?
H2O or water
300
Define a hydrophobic substance.
Any substance which is nonpolar and does not dissolve in water
300
An atom has 12 neutrons and 12 protons. What is its mass number?
24
300
On a pH scale, what is the basic range?
7-14
300
Are lipids polar or nonpolar?
Nonpolar
300
What are the names of the electrons on the outermost shell of an atom?
Valence electrons
400
Define adhesion
The attraction between two differant substances
400
Define a proton
The positively charged subatomic particle located in an atom's nucleus
400
What is the pH of water?
7
400
What are the basic building blocks for proteins?
Amino acids
400
Define a covalent bond
When two elements share their electrons to form a molecule.
500
What intermolecular force gives water its adhesion and cohesion properties?
Hydrogen Bonding
500
What is it called when an atom loses an electron
Oxidation
500
Is water an acid or a base?
It is both
500
Are phospholipids polar or nonpolar?
They are both polar and nonpolar.
500
What are the two elements necessary to form the building blocks of life?
Carbon and Hydrogen