What kind of matter is smoke?

Indicate the maximum number of electrons in the following: a. 3s sublevel b. 4p orbital c. main energy level n = 3 d. 4f sublevel

Calculate the solubility (in g/L) of silver carbonate in water at 25°C if the Ksp for Ag2CO3 is 8.4 x 10-12, A) 8.0 x 10-4 g/L B) 3.5 x 10-2 g/L C) 4.4 * 10-2g/L D) 5.6 x 10-2 g/L

Which of the following substance is not an acid? Substance A is tested and found to have a pH of 3. Substance B, a common food, tastes sour. Substance C causes metals to corrode. Substance D feels slippery in solution.

An artifact is an object that is made by (A) humans (B) animals (C) the earth (D) the ocean

What does an ionic compound form?

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda