Cobalt can be mined and processed from the following ores: cobaltite (CoAsS), safflorite (CoAs2) and skutterudite (CoAs3). Calculate the percent composition of cobalt in each. Which has the highest cobalt
content?

2.00 is the !

☆ionisation energy increases across a period from na -> ar☆ionisation energy decreases down a group from li -> fr☆ionic radius decreases across a period from na -> cl☆ionic radius increases down a groupfrom f -> ii hope it clarifies your doubts

B"hf and f-"  is the correct answer took the test on edgenuity and got it right     

The correct answer is b) false