What is the electron configuration of aluminum?
a. 1s22s22p63s23p1
b. 1s22s22p63s3
c. 1s22s23s23p64s1
d. 1s22s22p63s23d1

What does the cell nucleus do or, how does it function?

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

What is the molar mass of potassium nitrate, kno3