Chapter 1 (Pt. 1) Flashcards

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1
Q

what is matter?

A

any substance that takes up space and has mass

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2
Q

what is matter composed of?

A

elements

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3
Q

what is an element?

A

substance with specific chemical and physical properties

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4
Q

what is an atom?

A

smallest unit of matter that still retains all chemical properties of an element

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5
Q

what are atoms made up of

A

protons, neutrons, electrons

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6
Q

what are molecules?

A

two atoms joined together

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7
Q

what are intramolecular forces?

A

strong attractive forces that hold atoms within a molecule

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8
Q

what are two examples of intramolecular forces?

A

ionic bonds

covalent bonds

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9
Q

what are intermolecular forces?

A

forces that exist between molecules

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10
Q

what are some examples of intermolecular forces?

A

hydrogen bonding

dipole-dipole

london dispersion

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11
Q

ionic: inter or intramolecular?

A

intra

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12
Q

covalent: inter or intramolecular?

A

intra

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13
Q

hydrogen bonding: inter or intramolecular?

A

inter

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14
Q

dipole-dipole bonding: inter or intramolecular?

A

inter

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15
Q

london dispersion: inter or intramolecular?

A

inter

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16
Q

determine physical properties: inter or intramolecular?

A

inter

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17
Q

stronger: inter or intramolecular?

A

intra

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18
Q

what does “saccharides” mean?

A

sugars

19
Q

carbohydrates are basically composed of what?

A

carbon and H2O

20
Q

what is the empirical formula of monosaccharides?

A

CH2O

21
Q

what is the relationship between fructose and glucose?

A

they are structural isomers

22
Q

what is an isomer?

A

same molecular formula, different structure

23
Q

can you name three examples of a monosaccharide?

A

glucose, fructose, ribose

24
Q

what is the chemical formula for glucose?

A

C6H12O6

25
Q

what are the two forms of monosaccharides?

A

linear and ring form

26
Q

what forms during monosaccharide ring formation?

A

hydroxyl group (-OH), alcohol

27
Q

alpha sugar monosaccharide vs. beta sugar monosaccharide

A

ALPHA: -OH is trans (ACROSS) to -CH2OH

BETA: -OH is cis (BESIDE) -CH2OH

28
Q

what type of reaction forms a disaccharide?

A

dehydration

29
Q

what bond is formed in the formation of a disaccharide?

A

glycosidic bond

30
Q

what type of reaction breaks a disaccharide into two monosaccharides?

A

hydrolysis reaction

31
Q

can you name three examples of common disaccharides?

A

sucrose
lactose
maltose

32
Q

what are the two types of polysaccharides?

A

storage

structure

33
Q

can you name four examples of a polysaccharide?

A
  1. starch
  2. glycogen
  3. cellulose
  4. chitin
34
Q

storage or structure: starch

A

storage

35
Q

storage or structure: glycogen

A

storage

36
Q

storage or structure: cellulose

A

structure

37
Q

storage or structure: chitin

A

structure

38
Q

can you name two storage polysaccharides?

A

starch and glycogen

39
Q

can you name two structural polysaccharides?

A

cellulose and chitin

40
Q

what is starch? where is it found?

A

storage polysaccharide found in plant cells

41
Q

what is glycogen? where do we store it?

A

storage polysaccharide, stored in liver and muscle cells

42
Q

what is cellulose? where is it found?

A

structural polysaccharide found in plant cell walls

43
Q

can we digest cellulose? why or why not?

A

it’s fiber. we can’t digest fiber.

44
Q

what is chitin? where is it found? (2)

A

structural polysaccharide. found in the cell walls of fungi and exoskeleton of insects