What type of substances is filtration useful for seperating? Give me an example.

Each period in the periodic table corresponds to an energy sublevel or the principle energy level?

If 82.3 l of an ideal gas is cooled from 46 degrees calius to - 166 what will the volume of the gas become

The granite rock shown above is an example of a. element b. a compound c. homogeneous mixture d. heterogeneous mixture

Will hydrogen ever make a double bond?

What is an example of a natural disturbance to an ecosystem?

What is limiting reajent?

What elements react the most? Like have the most reactivity.

A neutral atom has an atomic number of 20 and a mass number of 42. How many electrons does the atom have?

A rock is placed into water and the volume of water increase 15ml. what is the density of the rock if it had a mass of 24.3 grams.

Suppose a student did not fully redissolve the Al (OH) 3 that initially formed upon the addition of H2SO4. Predict and explain how this would impact the apparent percent yield this student determines.