The symbol given is 27 13 Al. This indicates that the mass number (A) is 27 and the atomic number (Z) is 13…

Question

The symbol given is 27 13 Al. This indicates that the mass number (A) is 27 and the atomic number (Z) is 13. Name the element, give its mass number, and state the number of protons and neutrons.

ScanSolve AI Tutor · Accepted Answer

Here are the solutions to the questions from Homework 3 and Homework 4.

Homework 3

Question 8:
The symbol given is $\begin{bmatrix} 27 \\ 13 \end{bmatrix} \text{Al}$ . This indicates that the mass number (A) is 27 and the atomic number (Z) is 13.

8.1 Name the element that this symbol represents.

Identify the element symbol.
The symbol is Al. **Answer:** **Aluminum**
- 8.2 Give the element's mass number.
Identify the mass number from the notation.
The mass number is the top number. *Answer

The symbol given is 27 \ 13 Al. This indicates that the mass number (A) is 27 and the atomic number (Z) is 13. Name the element, give its mass number, and state the number of protons and neutrons.

Step-by-step solution

Identify the element symbol.

Identify the mass number from the notation.

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