Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
74 Cards in this Set
- Front
- Back
are ionic bonds weak?
|
yes
|
|
attraction between 2 opposite charged ions
|
ionic bonds
|
|
polar covalent bonds
|
one atom pulls more
-electrons don't equal |
|
which covalent bond ---> electons don't equal
|
polar covalent
|
|
t/f-- nonpolar covalent bond are equal
|
t
|
|
non polar covalent bond
|
pull of both atoms
|
|
compound
|
substance consisting 2 or more different elements
|
|
molecule
|
2 or more atoms bonded together
|
|
what are valence electrons?
|
electrons in outter shell
|
|
how to get mass number
|
# of protons + neutrons
|
|
where is the mass number located on an element?
|
before symbol..top left
|
|
how do u find the # of neutrons?
|
mass#-atomic#
|
|
whats the atomic number?
|
number of protons in nucleus
(p=e) |
|
where is the atomic number located at?
|
before element-- bottom left
|
|
what are the subatomic particles?
|
neutrons, protons, electrons
|
|
which subatomic particle(s)are located in the atomic nucleus?
|
neutons and protons
|
|
electons are around..?
|
cloud in nucleus
|
|
positive charge is the..?
|
protons
|
|
negative charge is the..?
|
electrons
|
|
neutrons have a charge.(t/f)
|
false
|
|
why is potential and kinetic energy associated in A&P?
|
because its how our BODY FUNCTIONS; need ENERGY FOR CELLS or bad health chem.
|
|
What are the forms of energy?
|
chemicla energy, electrical, mechanical energy, radiant
|
|
radiant energy
|
energy traveling in WAVES
|
|
mechanical energy
|
directly invovled in MOVING MATTER
|
|
electrical energy
|
movement of charged particles
|
|
chemical energy
|
released in chemical reaction
|
|
Potential to kinetic energy is an example of what?
|
chemical energy
|
|
what is the difference between mass and weight?
|
WEIGHT is GRAVITATIONAL FORCE acting on matter.
MASS is the amount of SPACE |
|
what is chemistry?
|
its the study of atoms?
|
|
why are we studying chemistry?
|
becuz everything is made-up of atoms
|
|
what is the difference b/w kinetic and potential energy?
|
protential is stored energy. kinetic is energy in action
|
|
what does matter need to move?
|
energy
|
|
whats the diff. b/w matter and energy?
|
matter has space and mass. energy has NO space and mass/
|
|
energy
|
capacity to do work
|
|
3 states of matter?
|
solid
liquid gas |
|
atoms that gained or lost unequal electrons
|
ion
|
|
hydrogen bonds
|
attraction b/w polar molecules .. important in life.. they dont share or tranfer electrons
|
|
ionic bonds
|
weak bond is water
|
|
chemical reactions
|
make and break chemical bonds
|
|
whats the REACTANTS in a chemical reaction?
|
starting material
|
|
whats the PRODUCTS in a chemical reaction?
|
ending material
|
|
three types of chemical reactions
|
synthesis, decomposition, exchange
|
|
synthesis
|
requires energy input of 2 or more reactants combined
|
|
decomposition
|
reactants broken down into less complex
|
|
exhange
|
both sythesis and decomposition involved
|
|
which subatomic particle(s)are located in the atomic nucleus?
|
neutons and protons
|
|
electons are around..?
|
cloud in nucleus
|
|
positive charge is the..?
|
protons
|
|
negative charge is the..?
|
electrons
|
|
neutrons have a charge.(t/f)
|
false
|
|
why is potential and kinetic energy associated in A&P?
|
because its how our BODY FUNCTIONS; need ENERGY FOR CELLS or bad health chem.
|
|
What are the forms of energy?
|
chemicla energy, electrical, mechanical energy, radiant
|
|
radiant energy
|
energy traveling in WAVES
|
|
mechanical energy
|
directly invovled in MOVING MATTER
|
|
electrical energy
|
movement of charged particles
|
|
chemical energy
|
released in chemical reaction
|
|
Potential to kinetic energy is an example of what?
|
chemical energy
|
|
what is the difference between mass and weight?
|
WEIGHT is GRAVITATIONAL FORCE acting on matter.
MASS is the amount of SPACE |
|
what is chemistry?
|
its the study of atoms
|
|
why are we studying chemistry?
|
becuz everything is made-up of atoms
|
|
ADP-->ATP
|
ANABOLISM
|
|
ATP-->ADP
|
CATABOLISM
|
|
equallibrium
|
rate of product information equals rate of reactant information
|
|
what affects speeds up chemical reaction?
|
-reactivity of reactants
-concentration of reactants -temp. increases -catalyst present |
|
what do enzymes do?
|
lower activation energy
|
|
"-ase" is usually a(an)?
|
enzyme
|
|
reactant enzymes act on?
|
substrate
|
|
heat is the high form of energy. T/F
|
F. its the lowest
|
|
body is made out the what 4 elements of life?
|
carbon
hydrogen oygen nitrogen |
|
when are electrons the happiest?
|
close to nucleus
|
|
amount of attraction an atom has for the electrons of a covalent bond
|
electronegativity
|
|
metabolism
|
SUM TOTAL OF ALL CHEMICAL REACTION IN CELL
|
|
ions seperate is an example of?
|
dissociation
|
|
proteins are also..
|
enzymes
|