Which element comes first in a chemical formula?

A-Those with positive oxidation numbers.

B-Those with negative oxidation numbers.

C-The first element is always a metal.

D-The first element is always a nonmetal.

What best describes an impulse acting on an object

What is the energy of motion?

What is the unit for measuring electric current? volt ampere ohm coulomb

Why is their displacement the same when the distance each traveled was different?

A force is applied to an object at rest with a mass of 100 kg. A force twice as large is applied to another object at rest with a mass of 100 kg. What differences in their motion would you observe? Explain your reasoning.

A light bulb that is connected to a 120 V source drawers 1.7 A. What is the resistance of the light bulb? A. 14 B. 71 C. 200 D. 0.014 E. 0.0

Which of the following is an example of heat transfer through radiation? A. A pot of soup warming on a hot burner. B. A crayon melting on a hot sidewalk. C. Beach sand getting warmed by the sun. D. An egg getting cooked in a pot of boiling water.

Which of the following best describes each particle? A. Protons are negative, neutrons are neutral, and electrons are positive. B. Protons are neutral, neutrons are positive, and electrons are negative. C.

During World War II, both the Allied and Axis powers used propaganda to A. weaken public support for the war. B. downplay public opinion. C. manipulate the public through the use of humor. D. shape public support of the war

What type of simple machine is a hand drill? A) pulley B) wedge C) ramp D) screw