Matter
Elements
Measurement/ Conversions
Sig Figs
Scientific Notation
100
This is what the study of chemistry is.
What is the study of matter and how it changes?
100
Name this element... H
What is hydrogen?
100
Convert 45.7cm to km
What is 0.000457km
100
There are how many sig figs in this number? 0.0203
What is 3?
100
We use scientific notation because of this
To make larger numbers easier to read/communicate, etc.
200
Matter is defined as what?
What is anything that has mass and occupies space?
200
What are the two types of mixtures?
What are homogeneous and heterogeneous?
200
If i throw this at a dart board, what is the correct term?
What is precise?
200
There are this many rules of sig figs
What is 6?
200
Please convert this to scientific notation. 304.620
what is 3.0462 x 10^2
300
THIS can not be broken down (SEPARATED) by physical means—boiling, evaporation, melting, grinding.
What is a pure substance?
300
The smallest unit of a substance that exhibits all the properties characteristic of that substance is called what
A molecule
300
If there is a wooden block with a length of 0.31m, width of 0.26m, and height of 0.15m, with a mass of 37.8kg, what is the density? Use correct SFs.
What is 3.1 g/cm^3?
300
Please calculate the answer with correct sig figs. 54.600 * 0.0625
What is 3.413?
300
What is this number when not in SN? 6.703 x 10^-7
What is 0.0000006703?
400
Lemonade is an example of this.
What is a homogeneous mixture?
400
2H2 + O2 --> 2H2O What are the left and right sides called, respectively?
The reactants and products.
400
What is the exponential multiplier for -nano?
10^-9
400
This is the addition/ subtraction rule of sig figs
What is the answer must be rounded to the same number of decimal places as the measurement with the least number of decimal places.
400
Please write this in SN. 0.000000050372
What is 5.0372 x 10^-8
500
What is the biggest difference between the two types of mixtures? (hint: it was a word in bold; i want those two words.)
Heterogeneous mixtures are IMMISCIBLE, they can not be mixed into each other. Homogeneous mixtures are MISCIBLE, they can easily mix.
500
Please name all parts of the image in order from top to bottom.
What are atomic number, element symbol, element name, and atomic mass.
500
Please convert 0.932uL to L
What is 0.000000932L?
500
When multiplying or diving, this is the rule of sig figs.
What is round the answer to the same number of sig figs with the LEAST number of sig figs.
500
Please take this out of scientific notation. 6.4078 x 10^9
What is 6,407,800,000.