How many lone pairs of electrons in lewis structure of CH3 OH

What is the shape of the H2S molecule? bent pyramidal linear trigonal planar

Which is the most common nutrient deficiency in the world? a. iron b. zinc c. copper d. calcium

What is the molarity of a 3.0-liter solution that contains 0.45 moles of solute?

Explain the relationship between an atom's valence shells and its reactivity

An atom in the ground state has two electrons in its first shell and six electrons in its second shell. What is the total number of protons in the nucleus of this atom? (1) 5 (2) 2 (3) 7 (4) 8

What is the volume in ml of one pound of mercury?

A reaction in which two light nuclei combine to form a heavier nucleus is termed a. fission. b. a redox reaction. c. a chemical reaction. d. fusion.

The pressure of a gas at 10 degrees celsius is greater that the pressure of the gas at 30 degrees celsius True False

Calculate the molar solubility of ag2so4 in each solution below. the ksp of silver sulfate is 1.5 * 10-5. (a) 0.36 m agno3: (b) 0.36 m na2so4:

Which statement best illustrates why carbon is so important to living things? a. Carbon occurs as a solid, a liquid, and a gas. b. Carbon is found in both the living and nonliving worlds. c. Carbon is stored in large quantities in fossil fuels. d.