Scientific Notation
8329
What is 8.328 x 103 ?
13.3391 - 4.01
9.33
The following is a chemical change
boiling water
cooking an egg
chopping wood
What is cooking an egg
B
Boron
Arsenic
Metalloid
0.005
5 x 10-3
Round this number to four significant digits
243.306
243.31
This is an example of a physical change
Rusting iron
Decomposing meat
Evaporating Water
evaporating water
Calcium
Ca
Argon
Nonmetal
141000
What is 1.41 x 106?
90 + 5.129
100
The following is a chemical change
Coffee spilled on a shirt
Boiling alcohol
Digesting pizza
digesting pizza
Sn
Tin
Plutonium
Metal
0.00246
2.46 x 10-3
The product of the following has how many significant figures
0.1400 x 6.02 x 1023
3
Describe or define a chemical change
the compounds obtained as products are always different from the starting materials
Tungsten
W
Calcium
Metal
345.622
3.45622 x 102
Round 0.0004583 to three significant figures and express your answer in scientific notation
4.58 x 10-4
The following is ONLY a physical change
Leaves turn colors in the fall
Sugar dissolves in coffee
A banana ripens
Sugar dissolves in coffee
Silver
Ag
Boron
Metalloid