The number of protons in an atom determines an atom’s identity and affects its mass and charge. Refer to the periodic table as you sequence the atoms.

Question

Place the elements in order from lowest to highest number of protons. Put the lowest on top and the highest on the bottom.

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Arrange responses in the correct order to answer the question. Select a response, navigate to the desired position and insert response at that position. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can be moved using the up and down arrow keys or by dragging with a mouse.
Remaining Attempts : 3
Activity 2
How many electrons does a neutral atom of fluorine contain?
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Responses

9
9

10
10

19
19
Remaining Attempts : 2

Answer 1

To answer the first part of your question regarding the order of elements based on the number of protons (which corresponds to their atomic number), please provide the list of elements you'd like to arrange.

For the second part regarding the number of electrons in a neutral atom of fluorine:

A neutral atom has an equal number of protons and electrons. The atomic number of fluorine (F) is 9, which means it has 9 protons. Therefore, a neutral atom of fluorine contains:

9 electrons.