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Radium is a decay product of uranium, thorium or neptunium.

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15y ago

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What two elements make up crude oil?

The two principal elements are Carbon, and Hydrogen. However, crude oil is the natural product of millions of years of biological decay. As a consequence, other elements present are ;- oxygen, nitrogen, sulphur, chlorine, phosphorus and probably many more trace amopunts of elements.


What two elements make up calcium oxide CaO?

Calcium (Ca) and Oxygen (O) are the two elements that make up calcium oxide.


What are the two elements that make up iron?

Iron is NOT made up of two elements. Iron is an element in its own right. It is found in the Periodic Table of Elements as 'Fe'. 'Fe' is the initials of the Latin name for iron, which is Ferrum. However, iron is mined as iron ore, which is an oxide of iron. It is a chemical combination of iron and oxygen. These are possibly the two elements you are thinking about. As oxides of iron can be found in different forms ( oxidation states). They Are. :- Fe3O4 ; Magnetite. (Lodestone of early navigation). Fe2O3 ; Iron (III) Oxide [ Ferric oxide) the common iron ore. FeO ; Iron (II) Oxide (Ferrous oxide) FeS ; Iron (II) Sulphide (Much less common. Iron metal is NOT found uncombined.


What elements make up NABR?

There are two elements that make up the compound NaBr, or sodium bromide. These two elements are sodium and bromine.


What two elements make up KF?

PotassiumFluorine


What are the elements that make up HF?

Hydrogen and fluorine are the two elements that make up hydrogen fluoride (HF).


What two elements make up most of the oceans?

The two elements that make up most of the oceans are hydrogen and oxygen, forming water molecules.


What elements makes up compound?

two or more different elements


What two elements make up authority?

Power and legitimacy


What are the two elements that make up rust?

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Which element has two valence electrons?

Zinc and Calcium


What two elements make up molecule of water?

A molecule of water, which has the formula H2O, is made up of the elements hydrogen and oxygen.