The properties of two elements are listed below. element atomic radius (pm) ionic radius (pm) first ionization energy (kj/mol) electron affinity (kj/mol) electronegativity br 114 195 1140 –325 3.0 k 243 152.2 418.8 –48.4 0.82 which prediction is supported by the information in the table? k will give up an electron more easily than br. both k and br will have the same pull on electrons. k will have a smaller size in comparison to br. both k and br will produce ions of the same size.

Which mechanism of transport takes place when solute particles move from a region of high concentration to a region of low concentration? active diffusion isotonic osmosis

Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.