Give me 15 diffent elements

How many neutrons does sodium have

What conditions must occur before nuclear fusion begins during star formation?

Determine the ph of a 0.62 m nh4no3 solution at 25°c. The kb for nh3 is 1.76 * 10-5.

Why the element with a valence of 8 is mostly likely form ionic bonds, covalent bonds or no chemical bonds with other atoms

A 36.5 lb child has a Streptococcus infection. Amoxicillin is prescribed at a dosage of 25 mg per kg of body weight b. id What is the meaning of the Latin abbreviation b. i. d.

Why does water dissolve sugar? Explain your answer!

A solution is prepared by mixing 20.0 g of NaNO3 with 100. mL of water. What is the percentage mass of the solution?

As streams flow through Stone Mountain, layers of sand build up. Over time, the sand particles form a sedimentary rock called sandstone.

Q. who developed orbit model of the atom? A. Neils Bohr

If 2-fluoropentane could undergo an e1 reaction, would you expect the major product to be the more stable alkene or the less stable alkene? explain your answer.