Question

The teacher shows students a pictorial model of an atom. Which element is

Answer 1

Answer:

C. Fluorine because the model has 9 protons which is represented by the atomic number

Explanation:

We usually identify an element by the number of protons in them. The number of protons is the atomic number of an atom.

• Every atom has a specific number of protons in them.
• This number of protons is the atomic number.
• According to the periodic law, atoms are arranged on the periodic table based on their atomic number.
• The given fluorine atom has 9 protons which represents the atomic number of the atom.
• This way, the given number clearly shows the right model for identifying the chemical specie.