naming compounds and ions
two or more compounds that have the same molecular formula but different arrangement of atoms are called
isomers
organic compounds always contains
carbon
in the reaction h2(g)+cI2(g) forms 2 hci(g),symbol (g) indicates what.
the physical state of the reactants and products,in the case grass
group 1 elements is called
alkali metals
formulas such as ch3ch20h that show how atoms are group together
what is the name of the following polyatomic anion with a minus 1 charge
chlorate
what is the molecular formula for dinitrogen
n205
how many molecules are in a mole of a surgar
6.022 ee23
what are the 2 principle elements in the earths crust
silicon and oxygen
a distinctive grouping atoms that characterize an organic molecule is a
functional group
a six member hydrocarbon ring containing only single bonds is called.
cyclohexane
substances that conduct electricity when dissolved in water is called
electrolyns
iron and molecular chlorine react to form iron chloride (assume an oxidative environment) what is the formula for the product
FeCI3
what are the 4 building block elements in the human body
hydrogen,oxygen,carbon and nitrogen
what is the molar mass of CaCO3
100g)mole
name the following compound ca(hco3)2
calcium hydrogen carbonate
what is the formula for the compound created from magnesium and oxygen
mgO
in the balanced equation for the reaction of pentane and molecular oxygen,what are the coefficients for the products CO2 and H20
5 CO2 and 6 H20
what is the block of element in periodic table that is most likely to have elements forming variable charges on their cation
transition elements
About how many elements make up all known substances?
100
name the following compound ch3ch20h
ethanol
what are the two likely oxidative states for cooper
1 + and 2+
hydrogen and oxygen react to form water.if a mixture containing 100 gram of each is ignited,which is the limiting reagent
oxygen
where on the peridic table would you be likely to find a gas whose moleclues consis of single atom
the noble gases or group 8 or the right side
what is the percent by mass sodium in table salt
39.35%