Which best describes the asteroid belt

A. another name for the Oort cloud

B. The region where comets originate

C. large chunks of gas, dust and ice

D. millions of small rocky objects

A ball appears red in the sunlight. Mark the correct statements: The ball absorbs all colors except red. The ball reflects all colors and absorbs red. The ball absorbs red and then reflects black.

Which description best fits a gas? definite shape and volume; strong intermolecular attractions definite volume; shape of container; moderate intermolecular attractions definite volume; shape of container;

For the following chemical reaction, how many moles of hydrogen (H2) will be produced from 2.0 mol of aluminum (Al) ? 2Al+3H2SO2⟶3H2+Al2 (SO2) 3

What conditions must be present to enable a material to dissolve in another material?

What is radio isotopes?

Zn (s), Zn (NO3) 2 (0.30 M) || Ag (s), AgNO3 (0.010 M) 1. Draw the schematic of the electrochemical cell that you created including all the components (metals, solutions, salt bridges, voltmeters, etc.) in this portion of the experiment.

What change occurs in the atoms as we move down each chemical family?

3. The density of mercury is 13.6 g/ml. Find the volume of 150 g

scientist have found many marine fossils on the mountain far from any ocean or sea what is the best explanation for these fossils

What is population and air