Measurements!
Significant Figures!
Who's Idea is it!
Elements!
100

The SI Unit for Mass 

Kilogram 

100

The number of significant figures in 0.0085

2 significant figures 

100

He discovered the Gold Foil Experiment 

Rutherford

100

Determines what an element is

The number of protons 

200

The SI unit for length 

Meter

200

The number of significant figures in 805

3 significant figures 

200

He discovered the Atom is a solid ball 

Dalton 

200

The atomic number of this element

78

300

5.8 cg in Grams

0.058 grams

300

The number of significant figures in 8.50 

3 significant figures

300

He discovered the Plum Pudding Model 

JJ Thompson 

300

The number of protons in Sulfur

16

400

158,000 mm in kilometers 

0.158 km

400

The number of significant figures in 30.00

4 significant figures 

400
He discovered Ions have fixed energy levels

Bohr 

400

The atomic mass of Nitrogen 

39.10 

500

0.008 in scientific notation 

8 x 10^-3



500

The number of significant figures in 1000

1 significant figure 

500

An object in motion will always stay in motion 

Newton 

500

The atomic number of an element with ten protons, ten neutrons, and ten electrons 

10 

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