Determine the number of protons and neutrons in an isotope of bromine (br) with a mass number/atomic mass of 79. (the atomic number of bromine is 35.)

John dalton proposed a theory that all matter is made up of individuals particles which cannot be divided. what were those particles?

Which statement best describes a protein? A) a polymer made up of 100 or more amino-acid monomers B) a polymer made up of 3000 or more glucose monomers C) a polymer made up of 100 or more glucose monomers D) a polymer made up of 20 or more

Could the two aqueous solutions be identified through a visual inspection? Explain.

Formation of magnesium chloride

Describe the relationship among tempreture, heat, and thermal energy

State the relationship between the number of electrons in a carbon-nitrogen bond and carbon-nitrogen bond energy

What are the characteristics of bones?

If 294 grams of FeS2 is allowed ti react with 176 grams of O2 according to the following equation how many grams of Fe2O3 are produced? FeS2 + O2 = Fe2O3 + SO2

Convert 3.57 moles of aluminum to grams

An average microwave uses a frequency of 2.54 GHz. How much energy is emitted?