Answer:
Stronium
Explanation:
It is a metal (and shows classic physical proerties). It also belongs to the second family, meaning it has two valence electrons.
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The formula of salt used for green light is BaCl2
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The answer is 80 atomic mass
The enthalpy energy in condensation process is negative because it releases energy
The entropy in will also decreases .
Temperature affected this change because it will now create free energy if added with this result this is the condestion process
