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As you go down group 1 metals they become…
More reactive
Who created the periodic table
Mendeleev
How is crude oil formed?
Dead animals and plants under pressure for millions of years
What is used to separate dyes?
Chromatography
Acid + base =
Salt + water
What number on the pH scale is water?
7
Why is a pH meter better than universal indicator
More accurate
What properties does glass have that make it a suitable material for a window?
See through, sturdy, doesn’t react with water
Sodium + water =
hydroxide sodium + hydrogen
What is the process of liquid changing to solid called
Freezing
What is the process of gas changing liquid called
Condensation
What is the process of gas changing to solid called
Sublimation
How many numbers are on the periodic table
14
What is an element
A substance containing one type of atom
What is a compound
Two or more elements bonded chemically
How many elements are in HCl?
2
