As a trend or pattern, the atomic radius go from left to right across the period but top to bottom down a group

What problem would a person have if the nucleic acid in one of his or her cells were damaged?

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?

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.