Alkanes are saturated hydrocarbon, that is they contain hydrogen and carbon without a double or triple bond between the carbon atoms, e.g. ethane, propane. Group 7a in the periodic table are called halogens e.g chlorine, bromine. Alkanes react with halogens in a reaction called substitution, where halogens replace hydrogen atoms in alkanes.
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Cells are the basic structural and functional unit of life.
Answer: I think the answer is 3.) Krypton or Argon.
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Answer:
Yes atoms can accept the electrons from another atom like
Chlorine accept electron from hydrogen.
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Muscle tissue has has the most mitochandria