1.15 g of a metallic element reacts with 300cm3 of oxygen at 298K and 1 atm pressure, to form an oxide which contains O2 - ions.

What could be the identity of the metal?

A calcium

B magnesium

C potassium

D sodium

What is the hybridization of the nitrogen atoms in n2?

Consider a certain type of nucleus that has a half-life of 32 min. calculate the percent of original sample of nuclides remaining after 1.9 hours have passed

What does dorsal mean?

Two liters of a perfect gas are at 0>c and 1 atm. if the gas is nitrogen, n2, determine the number of molecules.

Antifederalists opposed ratification of the United States Constitution until they were assured that (1) a bill of rights would be added to the original document (2) their supporters would receive a fair share of federal government jobs (3) the

Pb (BO2) 2 chemical name

What is Flocculation

What is the difference between a 1s orbital and a 2s orbital is that

Why should distilled water be used when conducting chemical tests? Select all that apply. O Distillation removes most chemicals present in tap water that could give us false results.

2. How can you use mass and volume to find density of a substance?