The atomic symbol represents
A) the number of electrons in an atom of an element.
B) the name of the element.
C) the history of the element.
D) All of the above.
E) Only two of the above.
Question 2
When we breathe we inhale oxygen, Image, and exhale carbon dioxide, Image, plus water vapor, ImageO. Which likely has more mass, the air that we inhale or the same volume of air we exhale? Does breathing cause you to lose or gain weight?
A) The air we inhale has more mass; Breathing causes you to lose weight.
B) The air we exhale has more mass; Breathing causes you to lose weight.
C) The air we inhale has more mass; Breathing causes you to gain weight.
D) The air we exhale has more mass; Breathing causes you to gain weight.
(a) Zombies are a common theme in movies. However, (b) the number of zombie movies released each yea
Some mangrove islands in the Florida Keys, which number in the thousands, are convenient places to t
History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar
Covalent bonds form by the sharing of electrons
Norman Bel Geddes, with Dr. Otto Koller, Air Liner Number 4.
An Atom