Select all of the following that are particles of atoms. protons neutrons electrons quarks Atoms are composed of particles called protons, electrons and neutrons.

The approximate recommended daily dietary intake of the amino acid valine, c5h11no2, is 2.60 g for a 100 kg adult. what is this requirement in moles?

Why does chlorine have an atomic mass of 35.5

What is a conductor/insulator? and how do they work?

If the temperature of an object is 335K, how would his be expressed on the celsius scale?

A black bear consumes 100 kg of food in a single month. How much of this food would be field mice and rats (rodents) ?

The organisms living together in a community are interdependent upon one another. Look at the food web below. In which of the following ways is a puffin dependent upon salmon? A. Puffins have a commensalistic relationship with salmon. B.

2) Which of the following is a true statement? A: All the atoms of an element must be identical. B: Compounds may be separated by physical means. C: Mixtures may not be separated. D: Homogeneous is one type of compound.

How to tell the difference between ionic and covalent bonding?

The combustion of propane may be described by the chemical equation C3H8 (g) + 5O2 (g) ⟶3CO2 (g) + 4H2O (g) C3H8 (g) + 5O2 (g) ⟶3CO2 (g) + 4H2O (g) How many grams of O2 (g) O2 (g) are needed to completely burn 83.3 g C3H8 (g) ?

Was the relationship among temperature, heat, and thermal energy?