The earth is often referred as a blue planet because the hydrosphere looks blue and it covers 3/4 of the earths surface. So the answer is D
In Thomson's cathode-ray experiment,<span>He sucked all of the air out of the tube, so only the ray was inside. He then concluded that the ray was negatively charged because the ray came from the cathode ray and went to the positively charged anode ray, so the cathode had to be negative or else it would have deflected away from the anode.
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Answer:
Nomenclatura de sodio
nomenclatura de compuestos iónicos En compuesto químico: Compuestos iónicos que contienen iones poliatómicos ... el compuesto NaOH se llama hidróxido de sodio, ya que contiene el catión Na+ (sodio) y el anión OH (hidróxido).
Explanation:
