I will mark whoever gets it right most brainliest (25 point question) What is the name of the ionic compound CaCN?

Hint: It's not Calcium Cyanamide

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

How do scientists think that gravity affected the formation of our solar system?

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy