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Chapter 37: Q. 21 (page 1082)

Write the symbol for an atom or ion with:

a. one electron, one proton, and two neutrons.

b. seven electrons, eight protons, and ten neutrons.

Short Answer

Expert verified

a. The atom is3H.

b. The ion is18O+.

Step by step solution

01

Part (a) step 1: Given information

We need to find the symbol for an atom or ion with one electron, one proton, and two neutrons.

02

Part (a) step 2: Explanation

The element is Hydrogen and the symbol is3H.

03

Part (b) step 1: Given information

We need to find the symbol for an atom or ion with seven electrons, eight protons, and ten neutrons.

04

Part (b) step 2: Explanation

As it has 8protons the element is Oxygen. and the electron is less than proton it is a positive ion. The symbol is 18O+.

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