Predict the approximate bond angle in the molecule. oxygen with two lone pairs is double bonded to an oxygen with one lone pair and a plus charge, which is single bonded to an oxygen with three lone pairs and a negative charge.

Match the following items. 1. high-intensity bundle of energy being emitted from some decaying nuclei gamma ray 2. particle radiating from the nucleus of some atoms beta particle 3. negative particle identical to an electron but radiating from a decaying nucleus alpha particle

Which traits do human embryos have that link them to a common ancestor with fish and reptiles? a. scales and tail b. gill slits and scales c. tail and gill slits d. hair and tail

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland