Solutions

Chemistry

2 answers:

jek_recluse [69]4 years ago

8 0

Answer:

Its B

Explanation:

Varvara68 [4.7K]4 years ago

7 0

What it is made of?
A) Water and Salt- salt is solute, water is solvent
B) Water and Sugar- sugar is solute, water is solvent
C) Water and HCl- HCl is solute, water is solvent
D) Water and NaOH- NaOH is solute, water is solvent

Which of these substances would be a poor conductor of electricity?
Water and Sugar make a poor conductor because sugar does not ionize in water. The other 3 solutions have solutes that ionize and make good conductors.

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ratelena [41]

Answer: D) It has two more electrons than protons.

Explanation: Sulphur (S) is an element with atomic number 16 and thus contains 16 electrons. A neutral atom contains equal number of protons and electrons.

$S:16:[Ne]3s^23p^4$

An atom on losing electrons gains positive charge and on gaining electrons gain negative charge.

Sulphide ion $(S^{2-})$ is formed by gaining 2 electrons to attain stable configuration of argon and thus contains two more electrons than protons.

$S^{2-}:18:[Ne]3s^23p^6:[Ar]$

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