6508468
Description
Flashcards by Maddy Counsell, updated more than 1 year ago
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Created by Maddy Counsell
about 8 years ago
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| Question | Answer |
| What is matter | anything that has mass or volume |
| what is mass | the amount of matter an object contains |
| what is volume | the amount of space occupied by an object |
| what is density | how crowed together the particles of the matter is |
| what is mass measured in | grams |
| what is volume measured in | liters |
| what is density measured in | grams per milliliter |
| how do you calculate density | mass divided by volume |
| what is it called when a solid changes to a gass | sublimation |
| what is it called when a gas changes to a solid | deposition |
| what is the melting point of water | 0 degrees C |
| what is the boiling point of water | 100 degrees C |
| two things that happen in a physical change | -a change where no new substance is formed -properties of final substance are the same as the starting substance |
| two things that happen in a chemical change | - change where a new substance is formed - new substance has different properties than the starting materials |
| what are the starting materials in a chemical reaction | reactants |
| what is the product(s) in a chemical reaction | materials produced from the reactants in a chemical reaction |
| what are the 4 main rules that determine what symbol is used for the element | - using the first letter of the element -first and second letter of the element -first and third letter of the element - Latin names |
| what does the zig zag line of the periodic table indicate | the elements on the left are metals and the ones on the right are non metals |
| the only metal liquid at room temperature | mercury |
| most common elements found in diamonds | carbon |
| the most abundant element found in air | nitrogen |
| 2 or more elements chemically bonded together | compound |
| solution (you can see through it) | 2 or more substances where 1 dissolves evenly into the other, a liquid or gas |
| suspension (very hard to see through) | 2 or more substances one is a liquid that doesn't dissolve |
| as a object moves from a solid to a gas what happens to its mass | it stays the same |
| as a object moves from a solid to a gas what happens to its volume | increases |
| as a object moves from a solid to a gas what happens to its density | decreases |
| as a object moves from a solid to a gas what happens to its energy | increases |
| what 3 subatomic particles make up an atom | proton, newtron, electron |
| which subatomic particle orbits the nucleus | electron |
| what is a period on the periodic table | horizontal row |
| what is a family on the periodic table | vertical row |
| 3 patterns on the periodic table | -columns have the same # of valences -increase #p from L to R -add new orbit with each row |
| what does atomic mass mean | number of protons and newtrons in an atom |
| most reactive metals | Alkali Metals |
| 2ed most reactive metals | Alkaline earthmetals |
| most reactive non-metal | Halogens |
| un reactive metals | Noble gasses |
| what are transition metals | metals found in the middle of the periodic table |
| located along the line between metals and non-metals | semi metals |
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