Answer:
Lose two electrons.
Explanation:
Barium is present in group 2.
It is alkaline earth metal.
Its atomic number is 56.
Its electronic configuration is Ba₅₆ = [Xe] 6s².
In order to attain the noble gas electronic configuration it must loses its two valance electrons.
When barium loses it two electron its electronic configuration will equal to the Xenon.
The atomic number of xenon is 54 so barium must loses two electrons to becomes equal to the xenon.
Answer:
a
Explanation:
The pollution will kill the local pond life, and amphibians are very delicate to change.
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The passive movement of molecules or ions across a plasma membrane by means of a transports protein located in the plasma membrane
Answer:
0.005712
Explanation:
5.712 grams = 0.005712 kilograms
