Of the following, an atom with the atomic number ____ would be the least reactive

a. 1
b. 3
c. 17
d. 18
e. 21


d

Physics & Space Science

You might also like to view...

In the context of an eclipsing binary system, briefly explain a light curve

What will be an ideal response?

Physics & Space Science

Suppose that the Sun shrank in size but that its mass remained the same. What would happen to the orbit of the Earth?

A) Earth's orbit would expand, and it would take more than one year to orbit the Sun. B) The size of Earth's orbit would shrink, and it would take less than one year to orbit the Sun. C) Earth's orbit would be unaffected. D) Earth would change from a bound orbit to an unbound orbit and fly off into interstellar space.

Physics & Space Science

Magnifying Glass With the Image at Infinity: The focal length of a magnifying glass is 15 cm. If the near point of a person is 25 cm, what is the angular magnification of the glass for this person when his eyes are focused at infinity?

A. 1.7 B. 2.7 C. 3.7 D. 4.7 E. 5.7

Physics & Space Science

When sound travels faster higher above the ground than below, bending of sound tends to be

A) upward. B) downward. C) to the left. D) to the right. E) none of the above

Physics & Space Science