Use Lewis symbols to predict the formula for the compound that forms between magnesium and nitrogen.

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

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?

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)