Science test atoms, physical chemical change, periodic table, acids bases

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

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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