Atomic Number describes which of the following?

A-Atomic weight

B-Number of protons

C-Mass

D-Number of neutrons

How does the Bohr model show you an atom has become an ion?

The life function of transport in an organism directly involves those activities used to 1. absorb and distribute materials 2. obtain and hydrolyze materials 3. release energy from food 4. produce cellular waste product

The Prandtl number, Pr, is a dimensionless group important in heat transfer. It is defined as Pr = Cp*mu/k where Cp is the heat capacity of a fluid, mu is the fluid viscosity, and k is the fluid thermal conductivity. For a given fluid, Cp = 0.

When an atom undergoes beta decay, wich of the following is true?

Impure crystalline (solid) substances can be purified by recrystallization from a suitable solvent. Arrange the steps of the recrystallization procedure, from start to finish. Weigh the crystals into a tared flask.

What is the molarity of a solution made with 298g of potassium chloride dissolved in enough water to make 2L of solution?

Why is mass conserved in a chemical change? The energy used in the chemical reaction burns up the extra matter. The compounds are still exactly the same, they just look different.

Where the use of energy is concerned (in scientific sense), when is work done?

Properties of a solution that depend only on the ratio of the number of particles of solute and solvent in the solution are known as: intensive properties extensive properties colligative properties chemical properties

What type of chemical bond can form between an atom with 11 protons and an atom with 17 protons? what type of chemical bond can form between an atom with 11 protons and an atom with 17 protons? non-polar covalent ionic hydrogen polar covalent?