Because each element has an exactly defined line emission spectrum, scientists are able to identify them by the color of flame they produce.
Answer:
A wet-cell battery is the original type of rechargeable battery.
An example of a wet cell battery is a lead-acid battery.
Explanation:
In the equation,
2Al(s) + 3Cl2(g) —> 2AlCl3(s),
the large number "3" in front of Cl2 indicates the the number of moles of Chlorine molecules needed to balance the equation.
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Answer:
1. d
2. b
3. d
4. e
5. a
explanation:
there's nothing else to explain
