Covalent compounds: mastery test select the correct answer what is formed when atoms join together with a covalent bond? a. an ion b. a molecule c. a neutral atom d. a noble gas

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-