1.8 750 nm 400 nm Red Violet 1.6 630 nm 430 nm 1.4 1.2 Orange Blue 590 nm 480 nm 0.8 Yellow Green 0.6 560 nm 0.4 0.2 380 430 480 530 580 Wavelength (nm) Absorbance

Please help answer both.

Scanned with CamScanner The lowest energy "f" subshell is : gay 'r subi

Please please answer all questions on the images attached Please please answer fast

7:13 ÅÐ east.cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=ass Chapter 6: Mastery 1. Electromag... 2. Wavelen... 3. Wavelen... 4. Energy of Li.... A 5. Energy of... Question Question Question (M) 2req 2req (M) 2req Gamma ray radiation falls in the wavelength region of 1.00 × 10-16 to 1.00 × 10-11 meters. [Review Topics] [References] Use the References to access important values if needed for this question. What is the wavelength of gamma ray radiation that has an -12 energy of 1.99 x 10- kJ/photon? Wavelength = Submit Answer NQ5G 38% m Retry Entire Group 9 more group attempts remaining + :D ? + · |||

Help me write the electron configuration of these atoms/ions ( Sn ) and ( As3- ) please. Just a short answer for me to understand.

Please solve the questions on a sheet ,so try to make your hand writing clear for me to understand

You have a stock solution of 3.00 M NaCl and will need to use ______ mL of that stock to make 1.0 L of a normal saline solution (0.15 M NaCl).

Why do you think the chemicals have to be heated in the flame first before the colored light is emitted? A) the heat excites electrons and light is emitted upon relaxation B) the heat ionizes the salts C) the heat removes solvent (water) so that the light from the salts is visible D) the combustion products in the flame undergo electron transfer reactions with the salts

please answer this question!