Explain what you think causes planets to have weaker or stronger gravity than Earth. Predict what gravity would be like on a planet with a mass equal to Earth's but a diameter half the size of Earth's.

The first ionization energies of an element are approximately 738 kj/mol, 1450 kj/mol, 7.7 * 103 kj/mol, and 1.1 * 104 kj/mol. to which periodic group does this element belong?

What causes water to become denser when it is carried to the poles by surface currents? increased temperature and increased salinity decreased temperature and decreased salinity increased temperature and decreased salinity decreased temperature and

What is the momentum of a 66-kilogram ice skater gliding across the ice at a speed of 7 m/s

Name 2 impacts the wolves had on the deer population in yellowstone

What does the position of lithium on the periodic table tell you about its tendency to react with other elements?

Addition of a catalyst can speed up a reaction by providing an alternate reaction pathway that has a

Select the answers below that represent the ionic compounds in this list: na2so4 h2so4 ch3-ch3 n2o4 cacl2 ca3 (po4) 2

What is a physical property of water? A) liquid at room temperature B) not flammable C) pH of 7 D) reacts with sodium

If 0.360 J of heat is added to 0.7402 g of water, how much will the temperature increase?

Which of the following are properties of mechanical waves?