Which substance can not be broken down by chemical means?

(1) ammonia (3) methane

(2) antimony (4) water

Which element is a non-metal? A Bismuth B Chlorine C Lead D Calcium

What technique would most likely be used to separate a solution with many components?

Which reason best explains why metals are malleable? because they have delocalized electrons because they have localized electrons because they have ionic bonds because they have rigid bonds

1) y = x2 + 6x + 5 2) y=-21 . . . .

What is the total number of atoms reprsented in the formula CuSo4?

If energy cannot be created, where did the types of energy you observed when the tortilla chip burned come from?

If I have an unknown quantity of gas at a pressure of 750 torr, a volume of 25 liters, and a temperature of 300 K, how many moles of gas do I have?

How would you represent the atoms of aluminum in the gaseous phase

An alkali metal is most likely to form an ionic bond with an element from which group? noble gases halogens alkaline earth metals transition metals

What is CO2 nomenclature