The numbers inside the boxes represent the atomic number. the circles and dots represent the shells and electrons.
The reaction of sodium hypochlorite (NaOCl, bleach) with iodide ion (sodium iodide) leads to the formation of electrophile. The I⁺ ion formed in this reaction is a strong electrophile that reacts quickly in an electrophilic aromatic substitution reaction.
NaOCl + NaI = I⁺
Different Fossil organisms succeed one another to go up through the different rock layers in a definite and determinable order. Therefore, any time period can be recognized by its fossil content
Explanation:
Different Fossil organisms succeed one another to go up through the different rock layers in a definite and determinable order. Therefore, any time period can be recognized by its fossil content
Answer:
The correct answer is A
Explanation:
Hydrogen, oxygen, chlorine are the most abundant elements in oceans.
Oxygen is 85.84% by mass
Hydrogen is 10.82% by mass
Chlorine is 1.94% by mass
The question is already answered.