Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Science test ch 6
Matter and Chemistry
| Question | Answer |
|---|---|
| the study of what substances are made of | chemistry |
| anything that takes up space and has mass | matter |
| a measure of the pull of gravity on an object | weight |
| the amount of matter that makes up an object | mass |
| tiny particle from which all substances are composed | atom |
| tiny, extrememly dense core of an atom | nucleus |
| one of the tiny particles that circle around the nucleus of an atom | electron |
| cloudlike shield around an atom's nucleus | electron cloud |
| particle that helps make up the nucleus of an atom | neutron |
| positively charged particle that helps make up the nucleus of an atom | proton |
| anything lacking an electrical charge | neutral |
| a group of electrons in an atom that orbit at roughly the same distance of a nucleus | shell |
| the number of protons in an atom | atomic number |
| a substance that is composed of only one type of atom | element |
| a substance that is composed of more than one type of atom bonded together | compound |
| the densest of everyday metals | lead |
| nonmetal element that at room temperature is an odorless, yellow solid | sulfur |
| basic building block of the complex compounds found in your body and in all living organisms | carbon |
| the very first element in the periodic table | hydrogen |
| a silver-grey element that is the most common alkaline earth metal | calcium |
| an important compound of sodium also known as lye or caustic soda | sodium hydroxide |
| a nonmetal and halogen that is a purple solid at room temperature | iodine |
| a gaseous nonmetal that is the most widely used halogen | chlorine |
| a gaseous nonmetal and halogen with many important uses | fluorine |
| a noble gas that replaced hydrogen as the gas with which to fill balloons because it is unreactive | helium |
| arrangement of elements in a table | periodic table of the elements |
| elements in top right of the periodic table that are mostly gases | nonmetals |
| elements in the seventh column of the periodic table | halogens |
| elements in the last column of the periodic table | noble gases |
| tiny groups of 2 or more atoms that are blended tightly together | molecule |
| compounds composed by charged atoms | ionic compound |
| process in which atoms of elements or compounds are rearranged to form new substances | chemical reaction |
| the only metal that is liquid at room temperature | mercury |
| colorless and odorless gas that people and animals require in order to live | oxygen |
| colorless and odorless gas that is less prone to react with other elements | nitrogen |
| hard crystalline form of carbon that is the hardest of all known minerals | diamond |
Created by:
kristi1019
Popular Science sets