Glencoe The Dynamics Of Life Biology Chapter 6 Vocab & Study

Front 1

Elements

Back 1

Substances that can't be broken down into simpler substances.

Front 2

How many natural elements?

Back 2

90

Front 3

How many elements are essential to humans?

Back 3

25

Front 4

What elements are 96% of human mass?

Back 4

Carbon, Hydrogen, Oxygen, and Nitrogen

Front 5

Trace Elements

Back 5

Small amounts of elements; required for healthy cells

Front 6

Atom

Back 6

Smallest particle of an element that the characteristics of that element.

Front 7

Nucleus

Back 7

center of atom

Front 8

What does the nucleus contain?

Back 8

protons (p+) and neutrons (n0)

Front 9

Electrons (e-) surround the nucleus in what?

Back 9

Electron Cloud

Front 10

Amount of electrons in the 1ST energy level

Back 10

2

Front 11

Amount of electrons in 2ND energy level

Back 11

8

Front 12

Amount of electrons in 3RD energy level

Back 12

18

Front 13

Atoms have no net charge.

Back 13

protons = electrons

Front 14

Isotopes

Back 14

atoms of the same element, but different numbers of neutrons

Front 15

Compound

Back 15

2 or more different elements that are chemically combined

Front 16

Examples of Compounds

Back 16

Table Salt (NaCl)
Water (H2O)

Front 17

Covalent Bonds

Back 17

Electrons shared between 2 atoms

Front 18

Molecule

Back 18

group of atoms held together by covalent bonds

has no overall charge

Front 19

Ion

Back 19

an atom that gains or loses electrons and has an electrical charge

Front 20

Ionic bond

Back 20

formed between 2 ions with opposite charges,
one atom loses an electron, another gains an electron

Front 21

Metabolism

Back 21

all of the chemical reactions that occur in an organism

Front 22

metabole

Back 22

change

Front 23

metabole

Back 23

change

Front 24

Reactants

Back 24

substances that undergo reaction

Front 25

Reactants

Back 25

substances that undergo reaction

Front 26

metabole

Back 26

change

Front 27

Products

Back 27

Substances formed by reactions

Front 28

Products

Back 28

Substances formed by reactions

Front 29

Reactants

Back 29

substances that undergo reaction

Front 30

Metabolism

Back 30

all of the chemical reactions that occur in an organism

Front 31

Mixture

Back 31

combination of substances;
individual components retain their own properties

Front 32

Mixture

Back 32

combination of substances;
individual components retain their own properties

Front 33

Products

Back 33

Substances formed by reactions

Front 34

Metabolism

Back 34

all of the chemical reactions that occur in an organism

Front 35

Mixture

Back 35

combination of substances;
individual components retain their own properties

Front 36

Metabolism

Back 36

all of the chemical reactions that occur in an organism

Front 37

Solute

Back 37

substance being dissolved

Front 38

metabole

Back 38

change

Front 39

Solution

Back 39

Combination combination in which one or more substances are distributed evenly; substances can't be seperated

Front 40

metabole

Back 40

change

Front 41

Solvent

Back 41

substance doing the dissolving

Front 42

Solute

Back 42

substance being dissolved

Front 43

Reactants

Back 43

substances that undergo reaction

Front 44

Products

Back 44

Substances formed by reactions

Front 45

Reactants

Back 45

substances that undergo reaction

Front 46

pH

Back 46

measure of how acidic or basic the solution is

Front 47

Products

Back 47

Substances formed by reactions

Front 48

Solvent

Back 48

substance doing the dissolving

Front 49

Solvent

Back 49

substance doing the dissolving

Front 50

Products

Back 50

Substances formed by reactions

Front 51

pH

Back 51

measure of how acidic or basic the solution is

Front 52

pH

Back 52

measure of how acidic or basic the solution is

Front 53

Mixture

Back 53

combination of substances;
individual components retain their own properties

Front 54

pH scale

Back 54

0-14

Front 55

Mixture

Back 55

combination of substances;
individual components retain their own properties

Front 56

Mixture

Back 56

combination of substances;
individual components retain their own properties

Front 57

pH scale

Back 57

0-14

Front 58

pH scale

Back 58

0-14

Front 59

Solution

Back 59

Combination combination in which one or more substances are distributed evenly; substances can't be seperated

Front 60

Solution

Back 60

Combination combination in which one or more substances are distributed evenly; substances can't be seperated

Front 61

Solution

Back 61

Combination combination in which one or more substances are distributed evenly; substances can't be seperated

Front 62

Solute

Back 62

substance being dissolved

Front 63

Solute

Back 63

substance being dissolved

Front 64

Solute

Back 64

substance being dissolved

Front 65

Solvent

Back 65

substance doing the dissolving

Front 66

Solvent

Back 66

substance doing the dissolving

Front 67

Solvent

Back 67

substance doing the dissolving

Front 68

pH

Back 68

measure of how acidic or basic the solution is

Front 69

pH

Back 69

measure of how acidic or basic the solution is

Front 70

pH

Back 70

measure of how acidic or basic the solution is

Front 71

pH scale

Back 71

0-14

Front 72

pH scale

Back 72

0-14

Front 73

pH scale

Back 73

0-14

Front 74

Metabolism

Back 74

All of the chemical reactions that occur in an organism

Front 75

metabole

Back 75

change

Front 76

Reactants

Back 76

substances that undergo reactions

Front 77

products

Back 77

substances formed by reactions

Front 78

Mixture

Back 78

combination of substances; individual components retain their properties

Front 79

Solution

Back 79

a combination in which one or more substances is distributed evenly; substances can't be separated

Front 80

solute

Back 80

substance being dissolved

Front 81

solvent

Back 81

substance doing the dissolving

Front 82

pH

Back 82

is a measure of how acidic or basic a solution is

Front 83

pH scale

Back 83

0-14

Front 84

Below 7

Back 84

acidic, abundant H+ ions

Front 85

Above 7

Back 85

basic, abundant OH- ions

Front 86

Water

Back 86

Most important compound in living organisms; used in life processes , material transportation

Front 87

polar molecule

Back 87

unequal distribution of charge, ex: water

Front 88

hydrogen bond

Back 88

attracts other water molecules, weak attraction

Front 89

Properties of water

Back 89

resists temperature changes, requires more heat to raise temperature, acts as an insulator