Except for hydrogen and helium, atoms in chemical combination tend to have ______________ electrons in their outer shell
a. 8
b. 14
c. 6
d. 2
a
Physics & Space Science
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Consider a submarine at a depth of 67. meters in sea water (density 1.03 grams/cc) and the interior of the sub is at 1.0 atmosphere
(a) What is the outside pressure at that depth? (b) Find the total force that must be withstood by a square hatch (0.90 m square) which leads to the sub interior.
Physics & Space Science
Elements in Period 2 of the periodic table have electrons in how many shells?
a. 1 b. 3 c. 4 d. 2
Physics & Space Science
The force responsible for chemical bonding is
a. nuclear. b. electromagnetic. c. none of these. d. gravitational.
Physics & Space Science
The ideal shape for the primary mirror of a telescope is concave parabolic
Indicate whether the statement is true or false
Physics & Space Science