Question

what does each box on the periodic table represent?
a) a molecule
b) an atom
c) an element
d) a compound
give me an element that has a mass over 66 *
your answer
what is the atomic number of carbon?
a) 8
b) 6
c) 12
d) 2

Explanation:

• Each box on the periodic table represents an element. Elements are pure substances made of only one type of atom.
• Many elements have a mass over 66, such as Zinc (Zn) with an atomic - mass of approximately 65.38, and Copper (Cu) with an atomic - mass of approximately 63.55. A common one is Silver (Ag) with an atomic mass of about 107.87.
• The atomic number of an element is the number of protons in the nucleus of its atom. Carbon has 6 protons, so its atomic number is 6.

Answer:

1. C. An element
2. Silver (Ag)
3. B. 6