Question

the periodic table also can tell us the atomic mass of elements. please give the atomic mass of the following elements
10 __ calcium 11 lithium 12. lead 13. __ aluminum

Explanation:

Step1: Recall atomic mass of calcium

The atomic mass of calcium (Ca) is approximately 40.08.

Step2: Recall atomic mass of lithium

The atomic mass of lithium (Li) is approximately 6.94.

Step3: Recall atomic mass of lead

The atomic mass of lead (Pb) is approximately 207.2.

Step4: Recall atomic mass of aluminum

The atomic mass of aluminum (Al) is approximately 26.98.

Answer:

1. 40.08
2. 6.94
3. 207.2
4. 26.98