Question

Consider an atom of 19F. 1. How many protons, neutrons, and electrons does this atom contain?...

Consider an atom of 19F.

1. How many protons, neutrons, and electrons does this atom contain?

2. What is the symbol of the atom obtained by adding one proton to 19F?

A. 20F
B. 2010F

C. 2010Ne

3. What is the symbol of the atom obtained by adding one neutron to 19F?

A. 2010F
B. 209F
C. 2010N
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Homework Answers

Answer #1

1. How many protons, neutrons, and electrons does this atom contain?

Ans: has 9 protons, neutrons, and 9 electrons.

The number of protons is equal to atomic number. It is equal to the number of electrons.

The number of neutrons is equal to the difference between the mass number and atomic number.

2. What is the symbol of the atom obtained by adding one proton to 19F?

Ans:

When a proton is added, both atomic number and mass number increases by 1.

3. What is the symbol of the atom obtained by adding one neutron to 19F?

Ans:

Atomic number remains same. Mass number increases by 1.

is an isotope of

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