Answer:
Explanation:En la tabla periódica los elementos están ordenados de forma que aquellos con propiedades químicas semejantes, se encuentren situados cerca uno de otro. Los elementos se distribuyen en filas horizontales, llamadas períodos.
Answer:
To gain stability
Explanation:
If the outermost shell is not completely filled with electrons, the element has one of the three options: gaining electrons, losing electrons or sharing electrons. By gaining or losing electrons, ionic compounds are produced. Sharing of electrons results in the formation of covalent compounds.
By circle fraction additional number for the number
Answer:
Water
Explanation:
Hydrogen and oxygen is bonded together to make H2O aka. water
Heat of vaporization of water will be required as water is already at it's boiling point thus heat required will be 540*10=5400 cal