Question

sodium
symbol:
no. of electrons:
atomic number:
atomic mass:

Explanation:

Step1: Find the symbol

The symbol for sodium is Na.

Step2: Determine the number of electrons

For a neutral atom, the number of electrons is equal to the atomic number. Sodium has an atomic number of 11, so the number of electrons is 11.

Step3: Identify the atomic number

Looking at the periodic table, sodium's atomic number is 11.

Step4: Find the atomic mass

From the periodic table, sodium has an atomic mass of approximately 22.99.

Answer:

Symbol: Na
No. of Electrons: 11
Atomic Number: 11
Atomic Mass: 22.99