space 1
What is the study of the chemical aspects of life?
Biochemistry
what is anything that occupies space and mass?
Matter
what is the smallest unit of matter?
Atoms
What is composed of one or more atoms?
Molecules
what is at the center of each atom?
Nucleus
Atoms are composed of?
Protons,electrons, and neutrons
the nucleus is composed of ?
Positively charged protons and uncharged neutrons
what is the number of protons in the nucleus in the atom?
Atomic number
what is the number of protons and neutrons combined called?
Atomic mass
Orbitals are arranged in?
energy level
an electron that darts within certain limits is called?
orbitals
what substance is pure?
element
what substance has more than one element?
compound
what type of bond makes atoms move stable?
chemical bond
what bond is form when atoms share electrons?
covalent bonds
what type of compound is water?
inorganic compound
what shifts its balance in favor excess?
Acids
what shifts the balance in the opposite direction?
bases
what measures the acid levels?
PH
what bond makes atoms form their outermost energy level full?
Ionic bonds
what is a low blood PH?
Acidosis
what is a high blood ph?
Alkalosis
what chemical maintains PH?
Buffers
what are the four type of organic compounds?
Carbohydrates, lipids, proteins and nucleic acids
What is it called when compounds form ions when dissolved in water?
Electrolytes