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Q: What class of elements the than hydrogen or possibly oxygen are usually present in bases?
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Is hydrogen an radioactive?

Usually not, but all elements have radioactive isotopes.


Carbohydrates contain the elements of?

Usually carbon, hydrogen, and oxygen.


Are oxygen and hydrogen compounds or molecules?

Hydrogen and oxygen are elements that usually take the form of molecules.


Which of these elements does this star contain?

Of which elements? - Stars usually consist mainly of hydrogen, less helium, and small amounts of the so-called "metals" (which, in astronomy, means any heavier elements).Of which elements? - Stars usually consist mainly of hydrogen, less helium, and small amounts of the so-called "metals" (which, in astronomy, means any heavier elements).Of which elements? - Stars usually consist mainly of hydrogen, less helium, and small amounts of the so-called "metals" (which, in astronomy, means any heavier elements).Of which elements? - Stars usually consist mainly of hydrogen, less helium, and small amounts of the so-called "metals" (which, in astronomy, means any heavier elements).


How many elements does natural gas have?

Usually two : carbon & hydrogen.


What do Hydrogen bombs and stars both produce energy with nuclear?

The term is nuclear fusion, where light elements (usually hydrogen) fuse to form heavier elements.


What elements does carbon combine with in organic compounds?

Usually Hydrogen and Oxygen but also with other elements to a lesser extent.


What elements are usually in molecules?

Depends on the molecule. A water molecule is made up of oxygen and hydrogen. Those are the elements.


What three elements occur in organic molecules?

Carbon (C), hydrogen (H), and usually oxygen (O) are the three elements that commonly occur in organic molecules. Carbon is the central element in organic compounds, while hydrogen and oxygen are often present in varying quantities and arrangements, giving organic molecules their unique properties and functions.


What chemical elements are found in carboyhydrates usually in the ratio of 121?

Carbon, Hydrogen and Oxygen.


Which chemical elements are found in carbohydrates usually in the ratio 121?

Carbon, hydrogen, and oxygen. A+


Are hydrogen and oxygen polymers?

No, they are elements that usually exist as diatomic (two-atom) molecules in their elemental form.