How many electrons are contained in an electrically neutral atom of element number 44? 22 44 121 88

How do rivers become larger as they travel across land?

You've just solved a problem and the answer is the mass of an electron, me=9.11*10-31kilograms. How would you enter this number into the answer box?

List 3 complex carbohydrates (1pt x 3) 1. Plant-derived digestible carbohydrate 2. Plant-derived indigestible carbohydrate 3. Animal-derived carbohydrat

How does the relationship between carbon monoxide and carbon dioxide illustrate the law of multiple proportions

Lewis structure XeH4? The hydrogen atom is not actually electronegative enough to form bonds to xenon. Were the xenon-hydrogen bond to exist, what would be the structure of XeH4?

What mass of potassium chlorate would contain 40grams of oxygen?

Identical forces act for the same length of time on two different masses. The change in momentum of the smaller mass is A) smaller than the change in momentum of the larger mass, but not zero. B) zero.

How many nuclei of 238 92 U 92 238 U remain in a rock if the activity registers 290 decays per second? (Note that the half life of Uranium-238 is 4.468x109 years)

A base can neutralize an acid. true or false

Hydrochloric acid (12.0 ml of 0.233 m) is added to 296.0 ml of 0.0579 m ba (oh) 2 solution. what is the concentration of the excess h + or oh - ions left in this solution?