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Chapter 14: Q14.134 P (page 624)

Which noble gas is the most abundant in the universe? In Earth鈥檚 atmosphere?

Short Answer

Expert verified

Helium is the most abundant noble gas in the universe.

Argon is the most abundant noble gas in the Earth's atmosphere.

Step by step solution

01

What is a noble gas

The term "Noble gas" refers to a group of rare gases that includes helium, neon, argon, krypton, xenon, and most often radon, that display high stability and extremely low reaction rates.

02

Which noble gas is the most numerous in the universe and the atmosphere of the Earth?

Helium is the most abundant noble gas in the universe.

Argon is the most abundant noble gas in the Earth's atmosphere.

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Most popular questions from this chapter

Give the name and symbol or formula of a Group 6A(16) element or compound that fits each description or use: (a) Unreactive gas used as an electrical insulator (b) Unstable allotrope of oxygen (c) Oxide having sulfur with the same O.N. as in sulfuric acid (d) Air pollutant produced by burning sulfur-containing coal (e) Powerful dehydrating agent (f) Compound used in solution in the photographic process (g) Gas in trace amounts in air that tarnishes silver

(a) What are the common oxidation states of the halogens? (b) Give an explanation based on electron configuration for the range and values of the oxidation states of chlorine. (c) Why is fluorine an exception to the pattern of oxidation states found for the other group members?

Thallium forms the compound TlI3. What is the apparent oxidation state of Tl in this compound? Given that the anion is I3-, what is the actual oxidation state of Tl? Draw the shape of the anion, giving its VSEPR class and bond angles. Propose a reason why the compound does not exist as(Tl3+)(I-)3.

Lithium salts are often much less soluble in water than the corresponding salts of other alkali metals. For example, at 18掳C, the concentration of a saturated LiF solution is 1.0脳10-2M, whereas that of a saturated KF solution is 1.6 M. How would you explain this behaviour?

The interhalogen IF undergoes the reaction depicted below (I is purple and F is green):

(a) Write the balanced equation.

(b) Name the interhalogen product.

(c) What type of reaction is shown?

(d) If each molecule of IF represents 2.50脳10-3mol, what mass of each product forms?
See all solutions

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