Unit 2 Review

Vocabulary

100

What is the center of the Sun called?

The Core

200

What is the positive particle found in the center of an atom, it is equal to the atomic number?

Proton

300

What is the name of two or more atoms with the same number of protons, and a different number of neutrons?

Isotope

400

What is the outermost layer of the sun's interior?

Convection Zone

500

What do the variables in e=mc² stand for?

E = Energy
m = mass
c = Speed of light

Scientific Notation

100

Convert this to standard notation: 5.5 x 10¹⁰

55,000,000,000

200

Convert this to scientific notation: 7340000000000

7.34 x 10¹²

300

Convert this to scientific notation: 2345600000000

2.3456 x 10¹²

400

Convert this to standard notation: 2.29 x 10¹⁵

2290000000000000

500

Convert this to scientific notation: 1234500000000000000000

1.2345 x 10²¹

Periodic Table

100

Element Name: Boron
Atomic Number: 
Protons: 5
Electrons: 5
Neutrons:
Mass Number: 10

Atomic Number: 5
Neutrons: 5

200

Element Name:
Atomic Number: 3
Protons:
Electrons:
Neutrons: 3
Mass Number: 6

Element Name: Lithium
Protons: 3
Electrons: 3

300

Element Name: Copper
Atomic Number:
Protons:
Electrons: 27
Neutrons:
Mass Number: 54

Atomic Number: 27
Protons: 27
Neutrons: 27

400

Element Name: Calcium
Atomic Number:
Protons:
Neutrons:
Electrons:
Mass Number: 40

Atomic Number: 20
Protons: 20
Neutrons: 20
Electrons: 20

500

Element Name: Mercury
Atomic Number:
Protons:
Neutrons:
Electrons:
Mass Number: 160

Atomic Number: 80
Protons: 80
Neutrons: 80
Electrons: 80

Dimensional Analysis

100

Convert 100 mm to inches
(10 mm = 1 cm)
(1 inch = 2.54 cm)

3.94 inches

200

32 years into hours
(1 year = 365.25 days)
(1 day = 24 hours)

280,320 hours

300

Convert 12,345 seconds into years.
(60 seconds = 1 min)
(60 minutes = 1 hr)
(24 hr = 1 day)
(365.25 days = 1 year)

3.91 x 10^-4 

400

Convert 35 miles/hr into ft/sec
(5280 ft = 1 mile)
(1 hour = 60 minutes)
(1 minute = 60 seconds)

51.3 ft/sec

500

Convert 420 ft/sec into miles/hr
(5280 ft = 1 mile)
(60 sec = 1 min)
(60 min = 1 hour)

286.36 mi/hr

Nuclear Fusion

100

4 Hydrogen atoms combined into 1 He atom

Elements fusion reacting start: 
Total Starting Mass:
Element after fusion reaction:
Final Starting Mass:

Elements fusion reacting start: Hydrogen & Helium
Total Starting Mass: 4
Element after fusion reaction: Helium
Final Starting Mass: 4

200

1 Helium atom and 1 Lithium atom combine into Boron

Elements fusion reacting start:
Total Starting Mass:
Element after fusion reaction:
Final Starting Mass:

Elements fusion reacting start: Helium and Lithium
Total Starting Mass: 10.9 amu
Element after fusion reaction: Boron 
Final Starting Mass: 10.81 amu

300

2 Nitrogen atoms become a Silicon atom
(N = 14)
Elements fusion reacting start:
Total Starting Mass:
Element after fusion reaction:
Final Starting Mass:

Elements fusion reacting start: Nitrogen
Total Starting Mass: 28
Element after fusion reaction: Sillicon
Final Starting Mass: 28

400

Artconia's mass is 2.188 x 10³⁰ kg. For how many years will Artconia be able to generate energy via nuclear fusion if Hydrogen is converted at a rate of 4.602 x 10¹⁸ kg/year.

4.75 x 10¹¹ kg/year

500

The current mass of Artenia is 1.989 x 10³⁰ kg. For how many more years will Artenia be able to generate energy via nuclear fusion if Hydrogen is converted at a rate of 8.36 x 10¹⁷ kg/year. 

2.38 x 10¹² kg/year.