What do a mole of magnesium (Mg) and a mole of iron (Fe) have in common?

A.

their number of atoms

B.

their number of molecules

C.

their number of electrons

D.

their number of protons

North Carolina is a rapidly urbanizing state. This growth increases the number of homes, roads, and the need for goods and services. All of this can be a great boost to the local economy.

Which of the following combinations cannot produce a buffer solution? Select all that apply. HF and NaF HOCl and NaCl HCN and LiCN HClO4 and NaClO4 HNO2 and KNO2 H2SO4 and Na2SO4 NH4Cl and NaOH NH3 and (NH4) 2SO4

What is a product in chemistry

How much energy would be released if 0.00046 kg of plutonium were converted to energy through radioactive decay?

Neon is a gas made up of only one type of atom. Which term best describes neon a) mixture b) element c) molecule d) compound

Electric force is an A. attraction and repulsion between protons and electrons . B. attraction and repulsion between protons and neutrons. C. attraction and repulsion between neutrons and electrons.

A salt crystal has a mass of 0.18 mg. how many nacl formula units does it contain?

Which of the following is easist to accelerate? A. bowling ball B. tennis ball C. golf ball D. ping pong ball

Fish need at least 4 ppm dissolved o2 for survival. part a what is this concentration in mol/l?

How does a runoff get polluted.