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Which of the following statements are CORRECT or INCORRECT?   1. FM radio waves have longer wavelengths than visible radiation.[radiowaves]   2.  X-rays and gamma rays have higher frequencies than visible radiation. [xrays]   3. UV radiation has more energy than X-rays. [UV] 4.  IR waves have shorter frequencies than visible radiation.  [IR]  

Which element has the ground state electron configuration [Ar]3d104s1? Write the symbol. 

Sulfur difluoride is produced by reacting elemental sulfur with fluorine gas.S8(s) + 8F2(g) → 8SF2(g) How many moles of sulfur will react with [x] moles of fluorine gas?  Your answer should have at least 1 decimal place.

Fill in the blanks for the valence shell electrons of the ground-state electron configuration of the sulfide ion S2- 1s22s22p63s[s]3p[p] 

What is the maximum number of electrons that can occupy one ​d orbital? [blank] What is the maximum number of electrons that can occupy one ​p orbital? [blank2] Answers are digits. 

What volume (ml) of [x] M HCl will consume [y] moles of Ba(OH)2? 2HCl + Ba(OH)2  BaCl2 + 2H2O Round your answer to an integer.   

If the hydronium ion concentration is 9.5 x 10-2 M, what is the pH of the solution? Your answer should have 2 decimal places.

Nitric oxide is made from the oxidation of ammonia: 4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g) What mass of nitric oxide (MM 30 g/mol)can be made from the reaction of [x] g NH3 (MM 17g/mol) with [y] g O2 (MM 32 g/mol)? Your answer should have at least 1 decimal place.

200 ml of water were added to [x] ml of aqueous [y] M NH3. What is the concentration (M) of the new solution?  Your answer should have 2 decimal places.

The following species are isoelectronic: Rb+, Kr and Br-. Rank their relative sizes. (largest, medium, smallest) [medium]Kr [smallest]Rb+ [largest]Br-