The d subshell can hold up to 10 electrons in an atom.

True

False

How to tell if a reaction is endothermic or exothermic by looking at it?

10 molecules SO2 to moles

Which of the following most likely requires intermolecular forces? A. a spider walking on the bottom of a leaf B. a rock maintaining its solid shape C. a koala using claws to hold onto a tree

Which species has the shortest carbon-nitrogen bond, CH3CN, CH3NH2, or CH2NH? acetonitrile methylamine methanimine (c) Which species has the strongest carbon-nitrogen bond, CH3CN, CH3NH2, or CH2NH?

Can you tell me what is erosion?

Investigating changes in colligative properties involves the measurement of a solution's concentration in molality instead of molarity because

Consider the following representation of a reaction mechanism. Step 1: Unimolecular (fast) Step 2: Bimolecular (slow) Step 3: Unimolecular (fast) Which conclusion about the rate law for the reaction above is reasonable? A.

1. Which of the following best describes an example of pure chemistry? a) testing the effects of lower concentrations of a drug on humans b) studying chemicals containing carbon c) developing a cure for osteoporosis d) finding an antidote for a new

Problem 1: For which of the following activities might you want to hire a chemist? A. building a garage B. testing a sample of water from a well C. finding a comet D.

Why do most living things need food water and the ability to get rid of waste?