The model of the periodic table in the image shows the location of four elements. A student is asked to identify an element that is a pale-yellow brittle

Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.

Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?

Which statement best describes isomers? a. isomers are alcohols that have the same functional group. b. isomers have at least one carbon-carbon double bond. c. isomers have the same molecular formula but different structural properties.