Which indicator would best distinguish between a solution with pH of 7.4 and a solution of 9.2?

1) phenolphthalein

2) thymol blue

3) bromthymol blue

4) litmus

Identify the atom represented by this electron configuration and elaborate on its bonding properties. 1s22s22p63s23p64s13d5 a. manganese is a transition metal that can form up to five stable ionic bonds. b.

Select the set of quantum numbers that represents each electron in a ground‑state Be atom. n = 2,? = 0, m? = 0, m s = - 1 2 n = 1,? = 0, m? = 0, m s = + 1 2 n = 2,? = 0, m? = 0, m s = + 1 2 n = 2,? = 1, m? = 0, m s = - 1 2 n = 1,? = 0, m?

Of the three metals pb cu zn which is the most active

During electrolysis, where do oxidation reactions occur? in the anode of an electrolytic cell in the cathode of an electrolytic cell in the power source of an electrolytic cell in the salt bridge of an electrolytic cell

At what distance would radiation cease completely

What is the mass of a paperclip?

What process is a physical change

For a half-reaction in an acidic solution, which substances should you add to balance the equation? A. H + and H20 B. H + and OH- C. H20 and NO2 D. OH-

What is the molar mass of mgf2

Hydrogen's sole electron occupies the 1s orbital but can be excited to the 4p orbital. List all the orbitals this electron might occupy on its way back to its ground state.