Na5Cl2
penta is 5, so 5 sodiums and di is 2, so 2 chloride
Answer:
Positive charge.
Explanation:
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In this case, since elements belonging to groups 1A, 2A and 3A are mostly metals, we infer they have the capacity to lose electrons and therefore they become positively charged.
Some examples may be:
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It contains one mol of carbon atoms. For the better calculating in the chemical reaction, we often use the mol as unit to describe the amount. Carbon is consists of carbon atoms. And the mol number is related to the mass of atoms. The molar mass of carbon is 12 g/mol. So the answer is 1 mol carbon atoms.
Answer:
Water has a pH of 7 - its not acid or base (its neutral {in the middle})
Explanation:
Since the pH scale maximum number is 14, the middle number - is 7 - which is where water is
A straight line shows a direct proportion because each x-value has one y-value, and there is a correlation between the two values, not just random placement. Hope this helps! :)
