What is the maximum amount of electrons possible in the inner shell of an atom?

What is the ph of a 2.6*10^-9 m H + solution

31) To extend a length of 1.00 inches, 2.54 x 10^8 average sized atoms would have to be placed in a straight line (in other words, 2.54 x 10^8 atoms per 1.

Read the given equation: Ca (OH) 2 + 2HCl → CaCl2 + 2H2O Which of the following is true about the equation? Group of answer choices Ca (OH) 2 is the base and CaCl2 is the salt. Ca (OH) 2 is the acid and CaCl2 is the salt.

The mass in grams, to five sig figs, of carbon dioxide produced when 22.031 grams of C6H6 is combusted is the same as the mass of the least common isotope of element X?

The density of 300 mL of water was determined, and then 15 grams of sodium nitrate was dissolved in the water. The student determined the density of the aqueous solution and recorded the collected data in a table.

What is the enthaply of the reaction?

Which color has a higher frequency, A. red light B. blue light

what is the volume of 0.98 mol oxygen (O2) gas at 275 K and a pressure of 2.0 atm? (the universal gas constant is 0.0821 L*atm/mol*K)

Which element is classified as an alkali metal? Rb Sr Zr Cl

Which statements about a neutral atom are correct? Check all that apply. The positively charged particles in the nucleus are positrons. The radius of the electron cloud is twice as large as the radius of the nucleus.