mixtures / chemical bonds Flashcards

1
Q

two distinct components

A

colloids

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2
Q

partially positive and negative ends create polar bond

A

dipole

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3
Q

dipole example

A

H2O

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4
Q

solubility

A

degree to which a solute dissolves in a solvent

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5
Q

mixture

A

atoms of two or more elements physically intermixed

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6
Q

one substance dissolves in another; particles will not settle

A

solution

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7
Q

substance in which the solute dissolves in

A

solvent

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8
Q

liquid mixed with solid

A

suspension

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9
Q

opaque mixture

A

colloids

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10
Q

reactive atoms

A

unstable; wants to fulfill octet rule

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11
Q

not a true bond

A

hydrogen bond

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12
Q

properties of __ are different from original atoms

A

molecule

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13
Q

solid particles are usually visible and can settle out

A

suspension

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14
Q

solids, liquids, or gases with a liquid

A

solutions

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15
Q

ions

A

atoms that has gained or lost an electron

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16
Q

bond formed by sharing electrons between two nonmetals

A

covalent bond

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17
Q

polar bond

A

unequally shared electrons between nonmetals

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18
Q

substance that dissolves

A

solute

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19
Q

duet rule

A

atoms with 5 or fewer electrons are most stable with only first valance shell full

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20
Q

two or more atoms of different elements bonded

A

compounds

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21
Q

inert atoms

A

nonreactive; filled valence shell

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22
Q

atoms of two or more elements physically intermixed

A

mixture

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23
Q

can be separated only by chemical means

A

molecule

24
Q

chemicals solubility in water determines

A

how it is transported in the body

25
Q

equally shared electrons

A

nonpolar bond

26
Q

kinds of mixtures

A

suspension colloids solutions

27
Q

octet rule

A

atoms are most stable with 8 electrons in its valence shell

28
Q

translucent mixture

A

solution

29
Q

electrons transferred between metal and nonmetal

A

ionic bond

30
Q

chemical nature of atoms do no change in __

A

mixtures

31
Q

blood is an example of

A

suspension

32
Q

unequally shared electrons between nonmetals

A

polar bond

33
Q

molecule

A

two or more atoms combined by chemical bond

34
Q

electronegativity increases from

A

bottom left to upper right of periodic table

35
Q

covalent bond

A

bond formed by sharing electrons between two nonmetals

36
Q

suspension

A

liquid mixed with solid

37
Q

solids are not visible to naked eye in this mixture; do not settle

A

colloids

38
Q

chemical bonds include

A

molecules compounds macromolecules

39
Q

nonpolar bond situations

A

same element arrangement of ataoms makes one atom unable to pull more strongly same electronegativity

40
Q

metals will only bond with nonmetal in a

A

ionic bond

41
Q

ionic bond

A

electrons transferred between metal and nonmetal

42
Q

solvent

A

substance in which solute dissolves in

43
Q

electronegativity

A

extent to which protons attract eletrons

44
Q

solute

A

substance that dissolves

45
Q

cation

A

atom that has lost electrons

46
Q

ionic and covalent bonds are

A

chemical bonds

47
Q

anion

A

ion that has gain electrons

48
Q

covalent bonds include

A

polar and nonpolar

49
Q

very large compounds

A

macromolecules

50
Q

colloids

A

two distinct components; does not settle

51
Q

nonpolar bond

A

equally shared electrons

52
Q

weak attractive forces between positive hydrogen atoms and partially negative atoms in polar bonds

A

hydrogen bons

53
Q

two or more atoms combined by chemical bons

A

molecule

54
Q

greater electronegativity =

A

more strongly attracts electrons

55
Q

most important solvent in body

A

water

56
Q

two or more of the same atom chemically bonded

A

molecule

57
Q

same electronegativity =

A

nonpolar bonds