Earth Spheres And Chemistry

Question 1

Element?

Answer 1

Made of only one kind of atom
Simplest pure substance made of matter
Definite properties that don’t change

Question 2

Molecule?

Answer 2

Group of atoms bonded together
Mor than 1 atom
Smallest fundamental unit of a chemical compound

Question 3

Example of a molecule

Answer 3

MgCl2

O2

Question 4

Compound?

Answer 4

Formed when 2 or more atoms of DIFFERENT elements chemicals combine.
New substance

Question 5

Example of a compound

Nonexample

Answer 5

Ex: MgCl2
Non: O2

Question 6

Oxygen had an atomic #of 8. How many protons? It’s mass is 16, how many neutrons? How many electrons?

Answer 6

Protons: 8
Neutrons: 8
Electrons: 8

Question 7

What are subatomic particles?

Answer 7

Protons
Neutrons
Electrons

Question 8

Protons?

Answer 8

In nucleus of atom
Positive charge of 1
Mass of 1AMU

Question 9

Neutrons

Answer 9

Located in nucleus
Charge of 0
Mass of 1AMU

Question 10

Electrons?

Answer 10

In energy levels
Charge of -1
Atomic mass of 0AMU
#electrons=#protons

Question 11

Law of conservation of matter?

Answer 11

Matter can’t be created or destroyed

Question 12

Law of conservation of energy

Answer 12

Energy cannot be created or destroyed but only changed from one object to another

Question 13

Open system?

Ex?

Answer 13

Allows energy and mass to pass across the system boundary

Ex: the ocean: solar radiation and evaporating water

Question 14

Closed system?

Ex?

Answer 14

Allows energy but not matter across system boundary

Ex: a closed waterbottle lets solar energy but not water to cross border

Question 15

Isolated system

Ex?

Answer 15

Allows neither mass not energy across the boarder

Ex: the universe

Question 16

Biosphere?

Answer 16

Includes all living things

Life supporting

Question 17

Geoshphere?

Answer 17

Includes lithosphere 
Solid ground and inside earth 
Plates: 7 major 
12 small 
Rocky Mountains are part of geosphere

Question 18

An atom has an atomic #of 10 and a mass of 22.

Protons?nuetrons? Electrons?

Answer 18

Protons:10
Nuetrons 12
Electrons: 10

Question 19

Equation to determine how many electrons in each ring

Answer 19

N^2*2

Question 20

Hydrosphere?

Answer 20

Water
Rivers lakes oceans
Ocean absorbs 90%of solar radiation
Chemicals that contribute to greenhouse gas

Question 21

Cryosphere

Answer 21

Frozen
Sea ice and continental ice
Glaciers
Icebergs

Question 22

Atmosphere?

Answer 22

Air surrounding earth
Gaseous sphere
Protects organisms in biosphere from solar radiation

Question 23

Exosphere

Answer 23

Space

Question 24

Name 1 interaction between the atmosphere and biosphere

Answer 24

Fog causing car crash

Question 25

Cryosphere and hydrosphere example?

Answer 25

Water melts from ice

Question 26

Atom?

Answer 26

Tiny particles that make matter Smallest particle in an element Made up of proton neutron and electron