Group 1 elements (usually called alkali metals) are not very electronegative and have small ionization energies due to that. The reason why they are not very electronegative is that they really want to loose their one valence electron so that they can have a noble gas electron configuration (completed octet).
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Answer: He could add a base to the pool to neutralize the acid.
Explanation:
Chlorine is used to disinfect the pools as it produces hypochlorous acid in water. This hypochlorous acid is unstable and gives hydrochloric acid and nascent oxygen which is used to disinfect.

The excess acid is neutralized by adding base which produces salt and water and thus decrease the acidity.

Adding more acid would increase the acidity further.
Bing bling or expansive jewellery
Answer:
The answer to your question is Sodium Perchlorate
Explanation:
Data
which is the salt?
Chemical reaction
Perchloric acid + Sodium hydroxide ⇒ Sodium perchlorate + Water
HClO₄ + NaOH = NaClO₄ + H₂O
Process
In inorganic chemistry there are two types of salts:
- Binary salts
- Oxysalts
Binary salts are inorganic compounds form by a metal and a nonmetal (only two compounds).
Oxysalts are inorganic compounds form by metal, a nonmetal, and oxygen (three elements).
In the reaction given the only compound that has these characteristics is Sodium perchlorate which is an oxysalt.