How do you know how many protons an element has

Asked by admin @ 29/10/2021 in Biology viewed by 275 People

1) How can you determine the number of protons in the nucleus of an atom of any of the elements listed in the table?

2) Which element has 14 protons in the nuclei of its atoms?3) Explain how you can determine the number of electrons surrounding the nucleus of an atom of any of the elements listed in the table.4) Which element has 19 electrons surrounding the nuclei of its atoms?5) Explain how you can determine the number of neutrons in the nucleus of an atom of any of the elements listed in the table.6) Which element doesn’t have a neutron in the nuclei of its atoms?7) How many neutrons are present in the nucleus of an iron atom?8) How many protons, neutrons, and electrons are present in and surrounding the nucleus of a chlorine atom?

Answered by admin @ 29/10/2021

1.) The number of protons in the atomic number of the element. Like Carbon has 6 protons because it’s atomic number is 6. The atomic number is in the top left corner of most periodic tables.

2.) Silicon(Si)

3.) The number of electrons should be the same as the number of protons. If you are doing a Bohr model you put 2 electrons in the first ring, eight in the second ring and 18 in the third. Carbon should have 6 in its outer shells.

4.) Potassium(K)

5.) To fins neutrons subtract the atomic weight from the atomic number.

6.) Hydrogen(H)

7.) 30 neutrons, 56-26

8.) 17 protons, 17 electrons in the outer shell, and 18 neutrons

How do you know how many protons an element has

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