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40 terms

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

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