Which pair of elements has the most similar properties?

a. K and He

b. Li and B

c. I and Ca

d. N and P

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A gas station charges 1.299 per gallon of gas. What would be the price for a liter of gas?

Why is neon in the same group in the periodic table as helium?

A volume of gas occupies 4L at 740 mmHg. What volume will the gas occupy at 337 mmHg?

Bacteria and protists are primarily unicellular organisms. How do bacteria and unicellular protists differ? Options: A) Protists have a single chromosome in a nuclear region, but no nuclear membrane.

A solution contains 0.159 mol K3PO4 and 0.941 molH2O. Calculate the vapor pressure of the solution at 55 ∘C. The vapor pressure of pure water at 55 ∘C is 118.1 torr. (Assume that the solute completely dissociates.)

When 711 J of heat is added to a 41.1 g of an unknown metal, the temperature of the metal increases from 22oC to 94oC. Calculate the specific heat of this metal

What is the formula for copper (II) phosphate? Capitalization and punctuation count. How many atoms of phosphorus are in 7.10 mol of copper (II) phosphate?

What happens to the elements Sodium (Na) and Chlorine (Cl) when they combine to form salt (NaCl)