The correct order of increasing ionisation energy of Na, Al, Si and Mg elements is?​

Why does a red shoe appear red in daylight

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.