Which is a diatomic molecule?

A. He

B. O2

C. NaCl

D. CuF2

In which of the following are the symbol and name for the ion given correctly A. NH4+: ammonia; H+: hydride B. C2H3O2-: acetate; C2O4-: oxalite C. OH-: hydroxide; O2-: oxide D. PO3 3-: phosphate; PO4 3-: phosphite

Which substance has a molar mass of 133.3 g? BaCl2 P2O5 AlCl3 MgCl2

Why does electronic waste that is generated in developed nations get dumped in developing nations?||

A solution has a volume of 2.0 L and contains 36.0 g of glucose. if the molar mass of glucose is 180 g/mol, what is the majority of the solution?

The reaction below shows an example of which type of reaction? 2na (s) + cl2 (g) 2nacl (s)

What is the square root of 54554? What is the square root of 35654?

Halogens have ... Electron affinity

Observe: Change the Surface area from Minimum to Maximum. You can imagine that a solid reactant has been dissolved in a liquid. How does this change how many Reactant B molecules are exposed to Reactant A?

When placed in a 200-mL square box, a substance has a spherical shape and has a volume of 75 mL When placed in a 200-mL circular tube, the same amount of that same substance has a spherical shape and a 75-mL volume.

What is the example to the word camouflage