The mass number of Fe2 + is 56. How many neutrons are there in a single Fe2 + atom? 28 30 56 58

What are some benefits of genetic engineeringcrops?

How many liters of ethanol contain 1.9 kg of alcohol

An unknown substance turns methyl orange solution red. What reaction does this substance exhibits? A) is a base B) is water C) is an acid D) is an alkaloid

Determine the molarity for each of these solutions. Then lost the solutions in order of increasing molarity. A.) 25g C6H12O6 per 0.25L B.) 50g C6H12O6 per 0.25L C.) 50g C12H22O11 per 0.25L

254950m to millimeter

Predict whether or not a precipitate forms upon mixing 175.0 ml of a 0.0055 mkcl solution with 145.0 ml of a 0.0015 m agno3 solution. identify the precipitate, if any.

The nucleus of one boron atom has 5 protons and 4 neutrons wjat is the total number of electrons in a boron atom

Pure sodium metal explodes when it makes contact with water, and chlorine, in its natural state, is a deadly, poisonous gas. When these two chemicals combine, they form a harmless, white powder known as sodium chloride or table salt.

Why reducing power of elements increase, on moving down a group?

Which of the following is not a result of air pollution? A. Smog B. Breathing problems C. Global warming D. Soil erosion