Question

question 8 of 20 :
select the best answer for the question.

1. which of the following is a characteristic of most non - metals and is not a characteristic of most metals?

a. is malleable and ductile
b. can conduct electricity and heat
c. replaces the hydrogen in acids to form stable compounds
d. has a negative charge when involved in chemical reactions
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Explanation:

• Option A: Malleability and ductility are properties of metals, not non - metals. So A is incorrect.
• Option B: Metals are good conductors of electricity and heat, while non - metals are generally poor conductors. So B is incorrect.
• Option C: Metals (especially reactive ones) can replace hydrogen in acids (displacement reaction), non - metals do not typically do this. So C is incorrect.
• Option D: In chemical reactions, non - metals tend to gain electrons and thus have a negative charge (form anions), while metals tend to lose electrons and have a positive charge (form cations). This is a characteristic of most non - metals and not of most metals.

Answer:

D. Has a negative charge when involved in chemical reactions