Matter
Elements and Compounds
Chemical Reactions
Physical Properties of Matter
Chemistry Labs
100
particle that makes up all of matter
What is an atom?
100
Symbol is He
What is Helium?
100
the reaction that happens when something burns
What is combustion?
100
property of matter defined as the amount of matter in a given space
What is density?
100
piece equipment needed to measure out 5 grams of a solid that will be used in a solutions lab
What is a triple beam balance?
200
state of matter found on the sun and other stars
What is plasma?
200
compound represented by CO₂
What is carbon dioxide?
200
a reaction in which the temperature drops
What is endothermic?
200
physical properties of this substance are sour taste and watery texture
What is an acid?
200
piece of equipment needed to measure out 30 milliliters of a liquid needed in solutions lab
What is a graduated cylinder?
300
state of matter of substances such as carbon dioxide and hydrogen
What is gas?
300
this happens to reactivity as you move from right to left on the periodic table
What is increase?
300
reaction in which heat is given off
What is exothermic?
300
physical properties of this substance are bitter taste and slippery texture
What is a base?
300
at least two things that would be evidence of a chemical reaction
What is heat being given off, light being produced, gas produced, new substance being formed or a change in temperature
400
state of matter in which particles are well organized and move very little
What is solid?
400
this happens to the number of electron shells as you move down a column on the periodic table
What is increases?
400
reaction in which one substance is broken down into two or more substances
What is decomposition?
400
physical property described as the point at which a substance changes from a solid to a liquid
What is melting point?
400
piece of science equipment that is used to hold liquid chemicals for mixing and heating
What is a beaker?
500
state of matter whose particles are able to slide around each other
What is liquid?
500
location (on periodic table) of elements such as lithium and magnesium
What is far left column?
500
reaction in which two or more substances combine to form one compound
What is synthesis?
500
physical property described as the point at which a substance changes from a liquid to a gas
What is boiling point?
500
science lab rule that helps protect you from exposure to chemicals inside your body
What is "no gum, food, candy or drinks" in the science room?
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