When the atoms of two or more elements react chemically, they usually join together to form
a. isotopes.
b. new elements.
c. molecules.
d. isomers.
c
You might also like to view...
A ball is thrown at a 60.0° angle above the horizontal across level ground. It is thrown from a height of 2.00 m above the ground with a speed of 20.0 m/s and experiences no appreciable air resistance
The time the ball remains in the air before striking the ground is closest to A) 16.2 s. B) 3.07 s. C) 3.32 s. D) 3.53 s. E) 3.64 s.
Which of the following correctly describes the meaning of albedo?
A) The lower the albedo, the more light the surface reflects, and the less it absorbs. B) The higher the albedo, the more light the surface reflects, and the less it absorbs. C) The higher the albedo, the more light the surface absorbs. D) The higher the albedo, the more light the surface emits. E) The higher the albedo, the more light the atmosphere absorbs.
Which part of the electromagnetic spectrum is the ozone-destruction problem related to?
A) visible B) X-rays C) radio D) infrared E) ultraviolet
The potential energy of a pendulum is least
a. when its potential energy is greatest. b. at the top of its swing. c. at the bottom of its swing. d. when its total energy is greatest.