All compounds are made of

A.) atoms of two or more elements

B.) two or more atoms of the same element

C.) atoms arranged in a crystal

D.) atoms joined by covalent bonds

I think its D.) but im not sure.!

What is the temperature 32°F in degrees Calsius

A water-balloon launcher with mass 4 kg fires a 0.5 kg balloon with a velocity of 3 m/s to the east. what is the recoil velocity of the launcher?

If the box weighs 1,500 N, how much work dose the force of gravity do on the box

In a car, 75 percent of the chemical energy of gasoline is lost as thermal energy. If the gasoline contains 1,000 kilojoules of energy, how much of that energy is used to actually move the car? Record your answer in kilojoules.

Complete the sentence. An atom that loses an electronic is called an ... and has an overall ... charge.

1. A carbon atom contains 6 protons and 6 electrons. In order for the carbon atom to become negatively charged, what must happen?

During which change of state do atoms or molecules become more ordered? ]

According to Erik Erikson's psychosocial theory of personality, which stage occurs during adolescence?

A moving ball hits a stationary ball. The moving ball stops, and the stationary ball starts moving. In terms of force, what's happening during this event?

Suppose you increase your walking speed from 5 m/s to 14 m/s in a period of 3 s. What is your acceleration