What is a polyatomic ion? Also, how do I identify that sulphate is a polyatomic ion?

Identify the following salts as neutral, acidic, or basic. 1. NH4ClO4 2. NH4CN 3. LiF 4. KCN 5. LiNO3 6. NH4Br 7. SrBr2

Part a what is the concentration of hydroxide ions in pure water at 30.0°c, if kw at this temperature is 1.47 * 10-14? what is the concentration of hydroxide ions in pure water at 30.0°c, if kw at this temperature is 1.47 * 10-14? 1.21 * 10-7 m 1.

What explains the relationship among elements, compounds & mixtures

What is gravitational energy

If an object is red, what type of light is being absorbed by the material? Red Black White All colors but red

What is the name of the hybrid orbitals used by chlorine in clf3?

Is beryllium a non metal or metal or metalloid

9.86 x 10²⁸ O-atoms require what volume (L) N₂O₂ at STP?

What can cause tsunamis? Select all that apply. spring tides plate movement volcanic activity earthquakes hurricanes

On the maxillary left side, there's only one posterior tooth, which is large and has a fifth cusp and three roots. this tooth is a maxillary a. central incisor. b. second premolar. c. third molar. d. first molar.