The compound Sodium Chloride (NaCl), or Table Salt is composed of what Elements?
What are Sodium and Chlorine?
100
This russian man developed the periodic table of elements as we see it today.
Who is Demitry Ivanovich Mendeleyev?
100
A chemical reaction occurs when two substances are brought together and a new substance with new properties is created.
What is Chemical Change?
100
This is a category of elements that shows characteristics of both metals and non-metals.
What is a Metalloid?
200
This is the symbol for Carbon
What is C?
200
The compoun Sodium Bicarbonate (NaHCO3), or Baking Soda is composed of these elements.
What are Sodium, Hydrogen, Carbon, and Oxygen?
200
When the Russian scientist was arranging the periodic table, he placed the elements into columns based on their similar chemical and physical characteristics. These columns are called what on the periodic table?
What are Groups.
200
Broken Pencil
What is Physical Change?
200
Gold is a ...
What is Metal
300
This is the symbol for Oxygen
What is O?
300
Which is the compound Cobalt (Co) or Carbon Dioxide (CO2)
CO2, or Carbon Dioxide
300
This is the number at the top of every element. Hydrogen's is 1, while Mercury's is 80.
What is the Atomic Number.
300
Water (H2O) Changes to Steam (H2O)
What is Physical Change
300
Xenon is a ...
What is Non-Metal
400
This is the symbol for Lead
What is Pb.
400
This is a pure substance composed of two or more elements.
What is a compound?
400
These are the rows on the periodic table. The got there name because every element in a row followed a repeating, or periodic pattern as you move across them.
What is a period?
400
Baking soda + Cirtric Acid+ H2O
What is Chemical Change
400
Silicon is a ....
What is Metalloid?
500
This is a fundamental substance that can't be broken down in to simplar substances
What is an Element?
500
What are three ways a compound can be described or identified by. (Think mystery mixture lab vials)
What are Chemical Formulas, Chemical Names, Common Names.
Example: CaCO3, Calcium Carbonate, Chalk
500
What would the mass number of a element be if its atomic weight was 63.55
BONUS: What element is this?
What is 64.
BONUS: Copper (Cu)
500
Name three things that might tell you if a reaction, or chemical change has occured?
Temperature Change, Bubbling, Color Change, New Substance, New solid, liquid, or gas. etc.
500
Mercury is a liquid at room temperature and falls in to this category of elements