An atom has 40 electrons and 46 neutrons. how many protons does it have?

Which of the following characteristics do all unicellular organisms share?

What's a design constraint?

Extracting oil from shale deposits a has been initiated on a large scale in the United States and will soon surpass Canada's production. b involves removing and refining waxy hydrocarbons called kerogen.

What is the percent composition of calcium (Ca) in CaO? A 56g/40g x 100% B 16g/56g x 100% C 40g/56g x 100% D 40g/100% x 56g

How many grams of iron are needed to produce 7.2 x 1022 particles of FeCl3?

What is silicon used for? -matches -gunpowder -glass -steel can coating

A intramuscular medication is given at 5.00mg/kg of body weight. What is the dose in grams for a 180-lb patient?

Nuclear fusion is the source of energy for stars. Besides hydrogen, which other element is most likely also common in stars?

Since the early 2000s, careers in the field of genetics have grown at a rapid pace. Which of these is a probable cause for this explosion of available and expanding jobs?

How many litres of 0.215 m NaCl contains 4.30 mol of this salt? Assume this solvent is H2O I'm confused on this question because little m is molality but when I looked this up on google, someone solved the problem assuming it was molarity