Answer:
...n..m..mm .......mmnjjjjjjj ygttgyujjunjhh
Explanation:
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An element is the simplest form of matter that has a unique set of properties. Elements cannot be broken down into a simpler substance. Likewise, one element cannot be chemically converted into a different element.
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Answer:A
Explanation:
In a metallic bond, the actions are simply held together by mobile electrons which form an electron cloud. This electron cloud holds the cations together in the solid metallic substance.
Answer:
The chemical symbol will be "
".
Explanation:
The given values are:
Current,
I = 2.50 amps
Time,
t = 2 hr
or,
= 7200 sec
Metal deposited,
W = 5.93 gm
As we know,
⇒ 
or,
⇒ 
On putting the given values, we get
⇒ 
⇒ 
hence,
⇒ 
⇒ 
⇒ 
Thus the above is the right answer.
The correct answer for this statement would be FALSE. It is considered false since exothermic reactions release energy, therefore, this energy can be considered more of a product, instead of the reactant. Hope this is the answer that you are looking for.
