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Periodic table, atoms, physical chemical changes , acids/bases

What three things go left to right?


What three things go up to down?


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?


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?


changed electrons?


more electrons


less electrons


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


marsh mellow being toasted


what turns litmus paper red


what turns litmus paper blue-green


what ranges 1-6 on the ph scale


what ranges 8-14 on the ph scale?


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


what releases 0- ions in an aqueous solution


what is 0-


what is H+


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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