What is the easiest science working Model that will satisfy the teacher (any subject - chmestry, physics ...). Make sure to tell me how to make it.

Which of the following pairs of reactants is not correctly listed with its product solution? A. Weak base-strong acid reactants - more acidic solutions B. Weak acid-strong base reactants - more basic solutions C.

What is another name for the metric system? A) The Metric System B) The SI System C) The English System D) US customary system

a flask of 5 litres capacity can with stand a pressure of 10atm and is filled co2 at 27°c and 760mm of hg pressure. at what temperature will it explode on heating

Which phase describes an atom? 1.) a negatively charged nucleus surrounded by positively charged protons 2.) a negatively charged nucleus surrounded by positively charged electrons 3.

Which of the folling is an example of kinetic entergy

An aqueous solution is made from a molecular compound rather than from an ionic compound. If some ions are present in solution, which best describes the solute? A. a weak electrolyte B. a nonelectrolyte C. a strong electrolyte D.

Which of the following measures the radiation given off by atoms per second?

What is the name of the outermost layer that forms a boundary around the outside of each cell

What does an ionic compound form?

How many electrons in an atom could have these sets of quantum numbers n=7 l=3 ml=-1?