Match the following:
-Usually,the first one or two letters of an element's name.

Question

Quizplus · Accepted Answer

The atomic symbol is usually the one or two letters that represent an element, such as H for hydrogen and O for oxygen.

Answer: B
 The mass number of an element refers to the total number of protons and neutrons in the nucleus of the atom.

Answer: C
 The atomic number of an element is the number of protons in the nucleus of an atom, and it determines its place on the periodic table.

Match the Following: -Usually,the First One or Two Letters of an Element's Name