Answer:
I need help for this question
Answer:
1 mole of sodium chloride ions
Explanation:
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Answer:
A. True
Explanation:
The octane number is determined by comparing the characteristics of gasoline to isooctane (2,2,4-trimethylpentane) and heptane. The correct option is option A.
Basically, the higher the octane number, the greater the resistance of the gasoline to knocking.
<h3><u>Question</u><u>:</u><u>-</u></h3>
In which one element replaces a similar element in a compound?
<h3><u>Answer</u><u>:</u><u>-</u></h3>
A single-replacement reaction
<h3><u>Explanation:</u><u>-</u></h3>
A single-replacement reaction is a reaction in which one element of a compound is replaced by another.
I would say c . isotope mass both varies in neutron numbers and its weighted by its relative abundance to give the average atomic mass. <span />