CHAPTER 2 (Basic Chemistry) Flashcards
Which of the following are located in the orbits surrounding the nucleus?
a) Isotopes
b) Protons
c) ELECTRONS
d) Neutrons
Which of the following is a measurement of hydrogen ion concentration [H+]?
a) Atomic Number
b) Atomic Mass
c) Isotopes
d) pH ⬅️
Which element must be present for substance to be classified as organic?
a) iodine
b) Iron
c) CARBON
d) Calcium
A cation is an (n):
a) POSITIVELY CHARGED ION
b) electrolytes
c) isotopes
d) ion that has an atomic number mass of 2
Which of the following is an anion?
a) Sodium ion
b) Potassium ion
c) CHLORIDE ION
d) calcium ion
Which of the following represents bicarbonate, an anion that is important in acid-base regulation?
a) HCI
b) ca(OH)2 ⬅️
c) HCO3-
d) KCI
Which compound is a waste cellular metabolism?
a) oxygen
b) CARBON DIOXIDE ⬅️
c) Catalyst
d) ATP
The word ferrous refers to?
a) An acid solution
b) An alkaline solution
c) ANY CATION
d) Iron
Zinc, selenium, cobalt, and iodine are all
a) TRACE ELEMENTS
b) Compounds
c) Radioactive
d) Isotopes of hydrogen
Which of the following is described by this statement? One atom of oxygen bonds covalently with two atoms of hydrogen.
a) CARBON DIOXIDE
b) Compounds
c) Water
d) Neutralization of an acid with a base