Science test atoms, physical chemical change, periodic table, acids bases
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Created by:
m_drysdale on January 17, 2012
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Description:
Periodic table, atoms, physical chemical changes , acids/bases
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40 terms
Terms | Definitions |
|---|---|
 What three things go left to right? | rows/orbitals/periods |
| What three things go up to down? | columns/electrons/groups |
| Which element is the oddball? | helium is weird because it has a full outer shell but only 2 electrons |
| Name the groups left to right | Alkali metals, Alkaline earth metals, transition metals, poor metals, semi metals,halogens, non-metals, noble gases ( lanthanides, actinades) |
| where are metals? | left of the semi metal line |
| where are non-metals? | right of the semi metal line |
| Name a halogen | flourine, chlorine, bromine, iodine, astatine, uponium |
| What group is highly reactive? | halogens |
| what group is highly non-reactive | noble gases |
| which group is always combining with stuff? | alkali metals |
| what is an electron | small, zippy, negative charge, move in orbitals |
| what is a neutron | neutral/no charge, help make up the nucleus, same size as protons |
| what is a proton | positive charge, help make up the nucleus, same size as neutron |
| Changed proton? | new element |
| Changed neutron? | Isotope |
| changed electrons? | ion |
| more electrons | anion |
| less electrons | cations |
| what is the format for an element square | Atomic number on top, abreviation, full name, atomic mass on bottom |
| what is a balanced atom? | an atom with an equal amount of protons, neutrons, and electrons |
| What is a characteristic of a physical change | state of matter change |
| What is a characteristic of a chemical change | gives off heat, new odor, gas, fizz, bubbles, color change |
| What happens in a chemical change | the atoms are changed, cant be reversed |
| what happens in a physical change | atoms stay the same, can be reversed |
| paper being ripped | physical |
| marsh mellow being toasted | chemical |
| what turns litmus paper red | acids |
| what turns litmus paper blue-green | bases |
| what ranges 1-6 on the ph scale | acids |
| what ranges 8-14 on the ph scale? | bases |
| characteristics of a base | slippery, bitter, reacts with acids to form salt and water |
| characteristics of an acid | corrosive to metal, tastes sour, reacts with bases to form salt and water |
| what releases H+ ions in an aqueous solution | acids |
| what releases 0- ions in an aqueous solution | bases |
| what is 0- | cation |
| what is H+ | anion |
| common acids | pee/spit, coffee, tomato juice, soda, orange juice, vinegar lemon, stomach acid, battery acid |
| common bases | sea water, baking soda, great salt lake, ammonia, soapy water, oven cleaner, liquid drain cleaner |
| what is neutral | 7 water |
| how do you neutralize an acid | add a base |
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