5. The number of bonds an atom can form is represented in an electron dot diagram by

A. pairs of dots

B. unpaired dots

C. total number of dots

What part of the hammer acts as the fulcrum when the hammer is used to remove a nail

If the patient's chest is not inflating doing the breathing test you should check the patient?

You are an employee of the city of Chicago. A city official declares that all cables holding traffic lights in the city should be exactly horizontal and asks you to direct the project. What should be your reply? A.

Calculate how much work you need to move the 130N trunk to a ledge 2 n above

What is the resistance of an electrical device that allows a current of 10 amperes with 120 volts? A 1292 B 11092 C 13012 D 120012

A meteorologist wants to measure the temperature. Which weather instrument should the meteorologist use? a. a barometer b. a rain gauge c. a thermometer d. a weather vane

Calculate the mass defect of the helium nucleus 42He. The mass of neutral 42He is given by MHe=4.002603u.

A person lifts a 4.5 kg cement block a vertical distance of 1.2 m and then carries the block horizontal - ly a distance of 7.3 m. determine the work done by the person and by the force of gravity in this process.

A tree is standing in the middle of a meadow. As you watch, the wind begins to blow and the tree bends. Which statement best explains how you could tell that a net force was acting on the tree? OA) The tree had momentum.

A 5.1 kg black bear cub weighs 49.98 N. The cub is carried by its mother up into the safety of a white pine tree.