The ground state configuration for an element is 1s22s22p63s23p1 . What is the atomic number of the element?
a. 11 b. 9
c. 24 d. 13
d
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Which of the following statements best describes the concept of structural conformation?
A) rearranging the shape of a molecule by rotating around bonds B) rearranging the shape of a molecule by changing the arrangement of bonds C) changing the structure by adding or subtracting bonds D) arranging the atom into the best conformation for the given structure E) changing the conformation to generate a new molecule with different chemical properties
The solid, nonliving part of the Earth is the
What will be an ideal response?
Why are collisions between asteroids in the asteroid belt rare?
A) The average distance between asteroids is millions of kilometers. B) All asteroids orbit in perfect circular orbits at the same speed. C) Jupiter's gravity keeps asteroids apart. D) The gas surrounding the asteroids help them repel each other before colliding. E) There are only a few asteroids in the solar system.
The angle between true north and the direction in which a compass needle points is called the angle of
a. attack. b. inclination. c. declination. d. dip.