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Anatomy Basic Chemistry 2









is a form of potential energy, can be transformed to the bonds of ATP
the energy located in the bonds of food molecules
thermal energy, kinetic energy, molecular movement
heat is
the amount of useful energy decreases, some energy is lost as heat
whenever energy in transformed
mechanical energy
chewing food
electrical/ chemical energy
vision (two types)
mechanical energy
bending your fingers to make a fist
chemical energy
breaking the bonds of ATP molecules to energize your muscle cells to make that fist
radiant energy
lying under a sunlamp
O
oxygen
C
Carbon
K
Potassium
I
Iodine
H
hydrogen
N
nitrogen
Ca
Calciium
Na
sodium
P
phosphorus
Mg
Magensium
Cl
chlorine
Fe
iron
ion
an electrically charged atom or group of atoms
matter
anything that has mass and takes up space
element
a unique substance composed of atoms having the same atomic number
electron
negatively charged particles, forming part of an atom
electron
subatomic particles that determine an atom’s chemicalbehavior or bonding ability
energy
the ability to do work
atom
the smallest particle of a compound, formed when atoms combine chemically
protons
positivsly charged particles forming part of an atom
valence
names given to the electron shell that contains the most reactice electrons
neutrons, protons
subatomic particles responsible for most of an atom’s mass
true
Na + and K + are needed for nerve cells to conduct electrical impulses T/F
protons
the atomic number of oxygen is 8. therefore oxygen atoms always contain 8 neutrons T/F
more
the greater the distance of an electron from the necules, the less energy it has T/F
true
electrons are located in more or less designated areas of space around the nucleus called orbitals T/F
radioactive
an unstable atom that decomposes and emits energy is called retroactive T/F
true
iron is necessary for oxygen transport in red blood cells T/F
chloride
the most abundant negative ion in extracellular fluid is calcium T/F
the element essential for the production of thryoid hormones is magnesium
iodine- definition
true
calcium is found as a salt in bones and teeth
Synthesis
A + B yields AB
Exchange
AB + CD yields AD + CB
Decompostion
XY yields X + Y
Ionic
a compound in which oppositely charged ions attract each other (atoms gain or lose electrons to form ions)
covalent
sharing of electrons