Answer:
The answer would be A. the number of electrons in the outermost electron shell.
Explanation:
These are called valence electrons which are transferred, shared, and rearranged by creating covalent bonds producing new substances.
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<span>Work is done only when the applied force is able to displace any object through certain distance. So, energy is concentrated on certain object that is to be displaced.</span>
Answer:
2Ag(s) + 2HNO₃ (aq) → 2AgNO₃(aq) + H₂(g)
Explanation:
Metallic silver = Ag (s)
Concentrated nitric acid = HNO₃ (aq)
Product being hydrogen gas = H₂(g)
2Ag(s) + 2HNO₃ (aq) → 2AgNO₃(aq) + H₂(g)
Be careful AgNO₃ doesn't precipitate
Explanation:
Gold and Silver is used for making ornaments because of their <em>malleability</em> and <em>durability</em>. Gold is the most malleable metal. For e.g, a small piece is gold nearly 3.5gm can be made a kilometer thin wire. Gold and and silver are also very <em>lusturous</em> and looks very much <em>lookrative</em>.
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