The elements sodium, potassium, and oxygen are considered to be "elements of life" and are in the category of electrolytes.
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Q9: If the atom ratio of Na to
Q10: The statement below describes an intensive property.
Q11: Group 4A and Group 14 are two
Q12: When a particular solid sample is examined
Q13: The pie chart shown below represents the
Q15: Elements in the same period of the
Q16: An element is a shiny gray solid
Q17: A mole of an element contains the
Q18: Sodium is a highly reactive metal and
Q19: The electron arrangement for Na would be:
shell
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