Identify the atomic number.

Question

Identify the atomic number.

Asked on March 28, 2026Chemistry

This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.

Accepted Answer · 2026-03-28T07:28:00.710Z

The "twenty element" refers to the element with atomic number 20. Step 1: Identify the atomic number. The atomic number is $20$. Step 2: Find the element with atomic number 20 from the periodic table. The element with atomic number $20$ is Calcium. Step 3: State the symbol for Calcium. The symbol for Calcium is Ca. The twenty element is Calcium (Ca).

Accepted Answer · 2026-03-28T07:28:00.710Z

The "twenty element" refers to the element with atomic number 20. Step 1: Identify the atomic number. The atomic number is $20$. Step 2: Find the element with atomic number 20 from the periodic table. The element with atomic number $20$ is Calcium. Step 3: State the symbol for Calcium. The symbol for Calcium is Ca. The twenty element is Calcium (Ca).