2.2 Atoms and Elements

Madeline Joslyn · 46回閲覧 · 25問 · 1年前

通報

問題一覧

All matter is composed of ______

elements

What are substances that cannot be broken down into simpler substances by ordinary chemical methods?

elements

What four elements make up 96% of the body?

carbon, oxygen, hydrogen, nitrogen

What acronym helps us remember the elements that make up 96% of the body?

chon

_____ table lists all known elements

periodic

All elements are made up of ______ which are: unique building blocks for each element

atoms

What is a one- or two-letter chemical shorthand for each element called?

atomic symbol

What element is O?

oxygen

What is the atomic symbol for carbon?

What is the approximate body mass for oxygen?

65.0

What is the approximate body mass for carbon?

18.5

What is the approximate body mass for hydrogen and nitrogen?

9.5 and 3.2

Atoms are composed of how many subatomic particles?

three

What subatomic particle carries a positive charge and weighs 1 atomic mass unit?

proton

Which subatomic particle has NO electrical charge and also weights 1 amu?

neutrons

Which subatomic particle carries a negative charge and has no weight?

electrons

Which subatomic particles are found in the nucleus?

protons and neutrons

The number of protons is balanced by a number of _____ electrons, so atoms are electrically neutral

negative

What subatomic particle orbits around the nucleus?

electrons

Chemists devise models of how subatomic particles are put together through?

planetary and orbital models

Which model is simplified and outdated because it incorrectly depicts electrons in orbits, fixed circular paths?

planetary

Which model is currently used that depicts orbitals, probable regions where an electron is most likely to be located (rather than fixed orbits)

orbital

The orbital is useful for predicting chemical ______ or atoms

behaviour

chapter 21

chapter 21

46回閲覧 • 25問 • 1年前

chapter 22

chapter 22

Chapter 12

Chapter 12

Chapter 13

Chapter 13

chapter 14

chapter 14

chapter 20

chapter 20

chapter 15

chapter 15

chapter 16

chapter 16

chapter 18

chapter 18

Madeline Joslyn · 29問 · 1年前

chapter 1: lecture notes

chapter 1: lecture notes

29問 • 1年前

Madeline Joslyn · 16問 · 1年前

chapter 1: requirements for life slides

chapter 1: requirements for life slides

16問 • 1年前

Madeline Joslyn · 30問 · 1年前

Pearson practice quiz questions

Pearson practice quiz questions

30問 • 1年前

Madeline Joslyn · 22問 · 1年前

chapter 2: chemistry and physiological

chapter 2: chemistry and physiological

22問 • 1年前

Madeline Joslyn · 20問 · 1年前

Pearson practice test questions

Pearson practice test questions

20問 • 1年前

2.2 continued

2.2 continued

Madeline Joslyn · 35問 · 1年前

2.3 Combining Matter

2.3 Combining Matter

35問 • 1年前

Madeline Joslyn · 21問 · 1年前

2.4 chemical bonds

2.4 chemical bonds

21問 • 1年前

2.6 Inorganic compounds

2.6 Inorganic compounds

Madeline Joslyn · 15問 · 1年前

acids and bases

acids and bases

15問 • 1年前

Madeline Joslyn · 13問 · 1年前

body cavities

body cavities

13問 • 1年前

membranes in the ventral body cavity

membranes in the ventral body cavity

11 Body Systems

11 Body Systems

biomolecules

biomolecules

homeostatic control

homeostatic control

3.1

3.1

Madeline Joslyn · 17問 · 1年前

3.2

3.2

17問 • 1年前

cell junctions

cell junctions

3.3

3.3

3.4

3.4

Madeline Joslyn · 9問 · 1年前

tissues

tissues

9問 • 1年前

4.2

4.2

3.10

3.10

3.12

3.12

Madeline Joslyn · 19問 · 1年前

3.7

3.7

19問 • 1年前

connective tissue fibers

connective tissue fibers

cells in the connective tissue

cells in the connective tissue

classification of epithelia

classification of epithelia

muscle tissue

muscle tissue

nervous tissue

nervous tissue

covering and lining membranes

covering and lining membranes

Madeline Joslyn · 9問 · 1年前

tissue repair

tissue repair

9問 • 1年前

embryonic and fetal development of tissues

embryonic and fetal development of tissues

epithelium

epithelium

granular epithelia

granular epithelia

layers of the skin

layers of the skin

6.1

6.1

basic structure, types, and locations

basic structure, types, and locations

growth of cartilage

growth of cartilage

6.2 functions of bones

6.2 functions of bones

Madeline Joslyn · 21問 · 1年前

classification of bones

classification of bones

21問 • 1年前

6.5 bone development

6.5 bone development

the skeleton

the skeleton

the vertebral column

the vertebral column

7.4 The Pectoral Girdle

7.4 The Pectoral Girdle

7.5

7.5

8.1

8.1

Madeline Joslyn · 16問 · 1年前

legs!

legs!

16問 • 1年前

Madeline Joslyn · 13問 · 1年前

arms

arms

13問 • 1年前

cranium 1

cranium 1

6.3

6.3

Madeline Joslyn · 9問 · 1年前

skull 1

skull 1

9問 • 1年前

homeostatic imbalance - spine

homeostatic imbalance - spine

Madeline Joslyn · 19問 · 1年前

regional vertebral characteristics

regional vertebral characteristics

19問 • 1年前

regional vertebrae thoracic and lumbar

regional vertebrae thoracic and lumbar

7.3 the thoracic cage

7.3 the thoracic cage

gross anatomy

gross anatomy

miscellaneous

miscellaneous

bone markings

bone markings

bones miscellaneous

bones miscellaneous

Madeline Joslyn · 18問 · 1年前

fractures

fractures

18問 • 1年前

Madeline Joslyn · 30問 · 1年前

chapter 9: Pearson quiz

chapter 9: Pearson quiz

30問 • 1年前

muscle actions

muscle actions

muscle actions 2

muscle actions 2

chapter 9: muscular tissues!

chapter 9: muscular tissues!

muscles anterior diagram

muscles anterior diagram

muscles anterior abdomen and arms

muscles anterior abdomen and arms

anterior legs

anterior legs

muscle diagram posterior

muscle diagram posterior

Madeline Joslyn · 30問 · 1年前

chapter 10: Pearson quiz

chapter 10: Pearson quiz

30問 • 1年前

muscular tissue

muscular tissue

muscle miscellaneous

muscle miscellaneous

origins and insertions

origins and insertions

structure of a motor neuron

structure of a motor neuron