Chemistry Stuff

Elements, Compounds, & Mixtures

100

What is the difference between elements and compounds?

A compound is a pure substance containing two or more kinds of atoms and an element is a pure substance made of only one kind of atom. 

200

T or F? if something is made up of one type of element or one type of compound it is a pure substance.

True!

300

Is baking soda an element, compound, or mixture?

compound

400

Is wood an element, compound, or mixture?

mixture

500

Is a diamond an element, compound, or mixture?

Element! A diamond is pure carbon. 

Classifying Matter

100

Is corn syrup homogenous or heterogenous?

homogenous

200

Is carbon dioxide a pure substance or mixture?

pure substance (also a compound)

300

What kind of mixture is chocolate chip ice cream?

whoever guesses my favorite ice cream also wins the game

Heterogenous Mixture

My fav ice cream is pistachio

400

Is concrete homogenous or heterogenous?

Heterogenous

500

Is milk a pure substance or mixture?

Mixture- many different compounds and bacteria present. 

Sig Figs

100

What are certain digits and uncertain digits?

Certain digits are the numbers in your measurement that you know are accurate. 

Uncertain digits are the numbers you can not guarantee are accurate in your measurement. 

200

How many sig figs are present in 350?

two! the 0 in 350 is a trailing zero. 

300

Write 0.0006067 with only the significant figures. 

6.067x10^-4

400

Answer the following question applying sig fig and decimal place rules. 

1.4450 + 1.2 - 0.232 =?

2.4 

500

Answer the following questions applying sig fig and decimal place rules. 

670 x 4.5033 =?

=3.0x10³

Measurements

100

What are the fundamental SI units for mass, length, and temperatire?

Respectively: kilogram, meter, and kelvin. 

200

How many nanometers equal 1 meter?

10⁹nm=1m

300

convert 7.5 meters to millimeters

7.5m x 10³mm = 7,500mm

400

Convert 75 degrees Celsius to Kelvin

75 C + 273.15 = 348.15 K

500

You have 2 kilograms of sour patch watermelons. How many micrograms of sour patch watermelons is that? 

Feel free to use google, but do not look up a conversion calculator!

 

2kg x 1,000g= 2,000g

2,000g x 10⁶ug= 2x10⁹ug

Random Facts From Google

100

What is the national animal of Scotland?

Unicorns!

200

The "Hollywood" sign in California used to have another word following it up until 1949. What was that word?

Land. The sign said "Hollywood Land"

300

What animal can sleep for up to three years at a time?

Snails!

400

There is only one state name in the US that is a single syllable. What is it?

Maine

500

What species of saltwater fish are always born as males?

Clownfish!