Ametal in group 2 of the periodic table can become a chemically stable ion by
a.
gaining one electron.
b.
losing one electron.
c.
gaining two electrons.
d.
losing two electrons.

Use the drop-down menus to answer each question. which runner finished the 100 m race in the least amount of time? which runner stopped running for a few seconds during the race? at what distance did anastasia overtake chloe in the race?

The number at the end of an isotope’s name is the number.

How do dying stars contribute to the formation of planets