Answer:
1st page, number a-ENergy is added or absorbed
I cant see the answers on the 2nd page
Explanation:
Answer:
14.89 g
Explanation:
Please see the step-by-step solution in the picture attached below.
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name= calcium
atomic mass= 40.078 atomic mass unit
no of protons= 20
no of electrons=20
Answer:
Chromium is electroplated on other metals. 2. Gold is electroplated on other cheap metals.