atom
bonds
pH
water
miscellaneous
100
Positively charged subatomic particle
What is a proton?
100
Bond between a slightly positive hydrogen and a slighlty negative atom such as oxygen or nitrogen
What is a hydrogen bond?
100
The amount of H+ ions in a solution
What is pH?
100
Bond found between two water molecules
What is a hydrogen bond?
100
Source of carbon for all organic molecules
What is CO2?
200
Particles found in the nucleus of an atom
What are protons and neutrons?
200
An positively charged atom that has lost an electron
What is a cation?
200
Neutral pH
What is 7?
200
Maximum number of hydrogen bonds formed between water molecules
What is ice?
200
Gas(es) that mix with water to cause acid rain
What are sulfur dioxide and nitrogen oxides?
300
Electrons in the outermost shell
What are valence electrons?
300
Bonding between a cation and an anion
What is an ionic bond?
300
A solution with a high concentration of H+ ions
What is an acid?
300
Properties of water that allow water to flow up a tree against gravity
What is adhesion (water to surface) and cohesion (water to water)?
300
Unstable isotopes of atoms
What are radioisotopes? (radioactive isotopes)?
400
Location of electrons
What is an orbital? What is orbiting the nucleus?
400
The bond found in methane where electrons are shared equally between carbon and hydrogen
What is a nonpolar covalent bond?
400
Substance that has the ability to balance or maintain pH
What is a buffer?
400
Molecules that "fear water" and do not dissolve in water
What are hydrophobic molecules?
400
Importance of oxygen to living organism
What is needed for cellular respiration?
500
Atoms with same atomic number and different atomic mass
What are isotopes?
500
The bond in water where the electrons are shared unequally between hydrogen and oxygen
What is a polar covalent bond?
500
A solution with a pH of 12
What is a strong base?
500
Takes a lot of energy to raise the temperature of water
What is high specific heat?
500
Use of radioactive isotope
What is dating fossils? medical treatment and diagnosis? Tracer? Energy source?
M
e
n
u