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Carbon can occur as graphite, which has black crystals.
Many organic compounds are insoluble in water. They have carbon and hydrogen as elements.
They are isotopes, (carbon-12 has 6 neutrons, carbon-13 has 7 neutrons, and carbon-14* has 8 neutrons) *Note: Carbon-14 is unstable and radioactive, although it does occur in nature, it is mostly used for carbon-dating.
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.
No. Only Earth has a significant amount of oxygen. (I guess you mean oxygen as the gaseous element. Oxygen does occur on other planets in compounds like carbon dioxide.)
without hydrogen there would not be h2o (water) which we are largely made up of so with out hydrogen every living think on the planet would die
Carbon can occur as graphite, which has black crystals.
If you lack carbon in your body, you are lacking the important bonding agent that your body needs. It is essentially your body's building block for biological molecules.
nitrogen
If the atoms of the same element (not only carbon!) occur in different arrangements, they are said to be different allotropes.
Many organic compounds are insoluble in water. They have carbon and hydrogen as elements.
They are isotopes, (carbon-12 has 6 neutrons, carbon-13 has 7 neutrons, and carbon-14* has 8 neutrons) *Note: Carbon-14 is unstable and radioactive, although it does occur in nature, it is mostly used for carbon-dating.
An element occur in nature as a pure element or as a compound.
The material that is oxidized in the given reaction is Iron. Fe2O3 is iron oxide which can occur naturally as the mineral magnetite.
Element
6 element
Bromine is a liquid but doesn't occur in nature as a free element.