Elements in which the outer shell contains 8 electrons are known as the ______________

Fill in the blank(s) with correct word


noble gases

Physics & Space Science

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The winds of Neptune have a tendency to blow backward, against the rotation of the planet

a. True b. False Indicate whether the statement is true or false

Physics & Space Science

If a star is found with five planets orbiting it, and a process like that described in the solar nebula theory formed the planets, which of the planets would be expected to have the greatest uncompressed density?

a. The one farthest from the star. b. The one with the greatest mass. c. The one with the greatest radius. d. The one closest to the star. e. The one that has liquid water on its surface.

Physics & Space Science

A 300-A·h battery can deliver how many coulombs starting from a full charge?

a. 4.8 × 10^3 b. 4.3 × 10^4 c. 7.2 × 10^5 d. 1.1 × 10^6

Physics & Space Science

Some materials in seawater are economic to extract at the present

What will be an ideal response?

Physics & Space Science