Along each row of the periodic table, A.
atomic mass increases from left to right.
B.
atomic mass is the same for all elements in the row.
C.
atomic mass changes in no set pattern.
D.
atomic mass decreases from left to right.

What are the charges of the subatomic particles by choosing the answer from the drop down menu. protons have a (+1,0,or-1). (protons, neutrons, electrons) have a 0 charge. 3.) electrons have a (+1,0,-1)

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer