Aug
the symbol for Praseodymium
What is Pr
what is the isotope notation for acetone
nothing. there isn't one
heaviest Metal element
Osmium
what is the BIC name of the to formula Pt(SO`3)`2
Platinum (II) Sulfite
(1.26 x 10^6 mg) (4.91 x 10^9 mg
6.18*10^15 mg
when was magnesium discovered
1755
what is the mass percent of carbon in the human body
18.0%
what is the formula for acetone
C3H6O
how many SF are in this number: 1234005650044470000000.00244
29 SF
(4.974 x 10^8 hg^2) / (2.523 x 10^4 hg)
1.971*10^4 hg
name the the only two elements that are liquid at room temp
mercury and bromine
what color flame does magnesium make when its burns in the air
white
what two people discovered magnesium
Humphry Davy and Joseph Black
what is the formula for Niobium (III) sulfate
Nb2(SO4)^3
what is the scientific notation for 829300000000000000000000000000000000000000000000000000 kL
8.29*10^58 kL
the chemical formula name for common table salt
sodium chloride
the chemical formula name for (C18H24N2O6)
meptyldinocap
what is an electron
negative electricity
(5.96*10^9 mm)(1.30*10^12 mm) what is the rounded product of the two initial multiplied
7.75
what is the number 7.244235060*10^38 kL in decimal notation
72442350600000000000000000000000000000 kL
Oil and Vinegar: is it a homogeneous or heterogeneous mixture?
homogeneous
what is the mas percent of Iron in the Earth crust, ocean, and atmosphere
4.71%
what mixture is used to fertilize corn fields and other crops
anhydrous ammonia
which oxyanion prefixes/suffices is the 2nd highest #Oxygen atoms.
-ate
(3.983 x 10^-18 kL^2 ) - (8.756 x 10^-19 kL)
3.107*10-18 kL