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Ch 2
A&P
46
Anatomy
Undergraduate 1
09/14/2009

Additional Anatomy Flashcards

 


 

Cards

Term
Chemistry
Definition
The science of the anatomy (structure) & interactions (functions) of matter
Term
Matter
Definition
Anything that occupies space and has mass, both living and non-living things consist of matter. (solid, liquid, gases)
Term
Symbol of hydrogen
Definition
H
Term
symbol for carbon
Definition
C
Term
Symbol for oxygen
Definition
O2
Term
symbol for nitrogen
Definition
N
Term
symbol for calcium
Definition
Ca
Term
symbol for potassium
Definition
K
Term
symbol for sodium
Definition
Na
Term
symbol for iron
Definition
Fe
Term
# of elements in the body
Definition
26
Term
The most abundent four elements in the body make up 96%...
Definition

Oxygen 65%

Carbon 18.5%

Hydrogen 9.5%

Nitrogen 3.2%

Term
Atom
Definition
the smallest unit of an element that retains its properties and characteristics
Term
2 parts of an atom
Definition
nucleus and one or more electrons
Term
Nucleus
Definition
The central portion of an atom made up of protons and neutrons
Term

(Positive, Neutral, Negative) ?

Proton, Electron, Neutron?

Definition

Proton- Positive

Electron- negative

Neutron- neutral

Term
Electrons surrounds the
Definition
nucleus
Term
Atoms total charge
Definition
0
Term

1st electron shell holds -

2nd-

3rd-

Definition

1st- max of 2

2nd- max 8

3rd- max 18

(As many as 7 electron Shells)

Term
Atom turns into a molecule when there are ___ electrons together
Definition
8
Term
Ion
Definition
atom that has positive or negativecharge due to unequal #s of protons or electrons
Term
Molecule
Definition
when two or more atoms share electrons, resulting combinations of atoms
Term
H2O is an ______ molecule
Definition
inorganic (non-living)
Term

A compound is _____

A free radical is _____

Definition

compound- stable

free radical- unstable

Term
Chemical bonds
Definition
the forces that bind atom of molecule and compounds together
Term
valence shell
Definition
the outermost shell of an atom
Term
valence electrons
Definition
the electrons in the valence shell
Term
3 types of chemical bonds
Definition

ionic bond - atom donates the valence electrons

covalent bond- atom shares its valence electrons

hydrogen bond- when atoms cheat on the one they were bonded to

Term
cation
Definition
a positively charged ion (electron donor)
Term
anion
Definition
a negatively charged ion (electron exceptor)
Term
The most common chemical bond in the body
Definition
covalent bonds
Term

Covalent bonds:

single-

double-

triple-

Definition

single- when 2 atoms share 1 electron pair

double- when 2 atoms share 2 electron pairs

triple- when 2 atoms share 3 electron pairs

Term
weakest chemical bond
Definition
hydrogen bonds
Term
chemical reaction
Definition
when atoms combine with or break apart from other atoms
Term
energy
Definition
the capacity to do work
Term
potention energy
Definition
energy stored due to its position (a battery stores energy)
Term
kinetic energy
Definition
energy in motion (battery in use)
Term
chemical energy
Definition
in the body is a form of potential energy
Term
synthesis
Definition
to put together
Term
synthesis reaction
Definition
when 2 or more atoms, ions, or molecules combine to form newer larger molecules
Term
decompose
Definition
to break down into smaller parts
Term
decomposition reaction
Definition
when large molecules are splint into smaller molecules, ions, or atoms
Term
difference between inorganic and organic
Definition

inorganic- lacks carbon

organic- has carbon

Term
water makes up _____% of the body mass
Definition
55-60%
Term
ATP
Definition
energy
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