Nitrogen is 5 valence electrons
oxygen is 6 valence electrons
fluorine is 7 electrons
Answer:
Helium has melting point of - 272.2°C or - 458°F
Sodium (Na) = 650°C. or 208°C
Magnesium (Mg) = 97.79°C. Or 1202°F
Explanation:
the time required for the activity of a substance taken into the body to lose one half its initial effectiveness. Informal. a brief period during which something flourishes before dying out.
hope this helps ^^
Answer:-
Thanks for not describing your question well enough
como se denomina el proceso utilizado para descomponer el agua
