What is the valence number of lithium?

En que se equvoco adrew

What dose science explain? A) Moral values B) Biased opinion C) Meaning of life D) Natural phenomena

For the hypothetical reactions 1 and 2, k1 = 102 and k2 = 10-4. 1. a2 (g) + b2 (g) 2ab (g) 2. 2a2 (g) + c2 (g) 2a2c (g) 3. a2c (g) + b2 (g) 2ab (g) + (1/2) c2 (g) what is the value for k for reaction 3?

A reaction between solid sulphur and oxygen produces sulfur dioxide. What is the percent yield for a reaction if you predicted the formation of 680g of sulfur dioxide and actually recovered only 384g?

Which cells contain a nucleus and membrane-bound organelles? A. prokaryotic B. eukaryotic C. archaean D. cyanobacteria

What characteristic is shared by most simple polyatomic ions? A) They are anions. B) They are bonded ionically. C) They are cations. D) They have positive charges.

Potassium ions (k+) have a positive charge. What happens to a potassium atom electrons when it becomes an ion

At what pH do you think acids become too dangerous to touch? Basis? Explain your answers.

How do endothermic processes differ from exothermic processes

Before a race, an athlete warms up by jogging around the track shown below at a constant rate of 2.3 m/s. What statement best describes his motion as he jogs around the curved part of the track?