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6'7UNIT2 BIO OUTLINE

QuestionAnswer
What is biochemistry? the study of the molecules of life
smallest unit of life- an atom
what is the number at the top of the box for an element and what is it also the number of atomic #, is the number of protons and electrons
what is the number at the bottom of a box for an element atomic mass, is the number of protons and neutrons
what is the mass of a proton 1 amu
what is the mass of a neutron 1 amu
what is the mass of an electron very little
what does the number of electrons determine how atoms bond
what is a shell in an atom outermost part of the atom, has valence electrons in it
atoms prefer to have ____ valence electrons in their orbitals 8
what is an isotope the same element but it has different amounts of neutrons in the nuclei
ionic bond electrons are transferred from one atom to another
covalent bond electrons are shared between atoms
hydrogen bond weak bonds that can seperate molecules easily, found in water and dna
list bonds from weakest to strongest hydrogen, covalent, ionic
sharing f electrons is equal in a covalent bond: true or false FALSE
polarity when there is unequal charge in a molecule
when a slight attraction helps keep molecules together van der wals forces
cohesion molecules of the SAME substance sticking togehter
adhesion molecules of DIFFERENT substances sticking together
cation positive charge
anion negative charge
how do ions form through ionic bonds
atoms are represented by elements
atoms combine chemically to make molecules
solution solute dissolved in water
suspension the particles are so tiny they don't dissolve and they sit
solute what is being dissolved in the solvent
solvent what there is a solute being dissolved in (example, the water in salt water)
chemical/molecular formula the ingredients (ex; H2O, C6H12O6)
structural formula- showing the structure/arrangement of atoms in the element
capillary action the ability of a liquid to flow in a narrow space or tube against gravity
surface tension the property of a liquid's surface to act like a stretched, elastic film due to inter molecular forces
Created by: I'mtheAlpha
 

 



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