Which of these substances is a compound?

a.) chlorine

b.) nitrogen

c.) uranium

d.) ammonia

Does the cereal or the milk go first?

What type of planet is Venus? Inner Planet Outer Planet Gas Giant Pseudo planet

A strip of copper metal is riveted to a strip of aluminum. the two metals are then heated. the coefficient of linear expansion of aluminum is greater than that of copper. what happens?

How do you calculate the molecular mass of hydrogen sulfide, H2S in atomic mass unit u?

Describe the relationship between the potential energy and kinetic energy of an object and the amount of Kinetic energy it can gain in a gravitational field

When 2 objects collide and stick together this is referred to as

Fill in the blanks to complete each statement about the heating of Earth's surface. Earth takes in thermal energy from the Sun in a process called Sunlight strikes Earth's surface at different angles. This angle is called the angle of Done Intro

A 2.0-kg block is on a perfectly smooth (frictionless) ramp that makes an angle of 30^/circ30 ∘ with the horizontal. What is the force of the ramp on the block?

What is the difference between negative displacement and negative velocity?

How to use Da Vinci flying pedulum clock