Question

a magic show lasted for 17 upon 6 h out of this time 5 upon 3 h was spent on arrangement what was the the actual duration of the show​

Answer 1

Answer:

Since calcium lost two electrons, it has 20 protons, but only 18 electrons. This makes calcium a positive ion with a charge of 2+.

Answer 2

Step-by-step explanation:

9 hrs is the correct ans me