ionic compounds
elements of the periodic table
matter
chemical reactions
elements
100
what is the right way of writing the chemical equation for... calcium iron+oxygen=>ion(ll)ixide
Ca+FeO=>FeOz
100
what are the names that are in the middle of the Bohe-Rutherford diagrahm A)protons B)nutrons C)electrons D)both a. and b.
D) both a. and b.
100
what are the 2 classifications of matter
-states of matter -partical theory of matter
100
what is synthesis
synthesis is when 2 atoms join together to form one larger molecule
100
what are the first 5 elements of the periodic table
hydrogen, helium, lithium, beryllium, boron
200
what is the correct chemical equation for... phosphorusa+oxygen=>diphorus peroxide a)O+Al=>OAl b)P5 O2 c)Ca FeO=>FeO2
B) P5 O2
200
that is the number of electrons that a Bohr-Rutherford diagrahm can hold a)6 b)8 c)20 d)40 e)36
e) 36
200
what are the 2 properties of matter
-physical -chemical
200
what id decomposition
decomposition is when one larger molecule breaks down to form 2 smaller atoms
200
what is Ar and Ne
Argon and neon
300
what is the chemical way of writing... Calcium Nitrate
Ca (No3)2
300
what is a Bohr-Rutherford diagrham
a Bohr-Rotherford diagrham is a convienent way of representing the atomic structures of an element
300
what is matter made up of
tiny particals
300
what is single replacement
single replacement is when one atom "bumps" another out of place
300
what is the atomic number
the atomic number is the number in the top left corner of an elements box
400
what is this equation... lithium+silver fluoride=>lithium fluoride+silver A)s B)sd C)dd D)d
B) sd
400
what is a Lewis Dot diagrham
a Lewis Dot diagrham is a diagrham with out the elements in the middle and every ring has 8 dots on it.
400
what is the activity that particals are always doing a)always moving b)always staying still
a)always moving
400
what is double replacement
double replacement is when 2 atoms "switch partners"
400
what is neon
ion name symbole #of protons #of electrons oxygenide O-2 8 10 #of electrons some electrons lost/gained as what nobal gases gained 2 Ne
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