Scribd
Upload
34 views1 page

Group Activity1

The document provides a worksheet for students to practice calculating the number of protons, neutrons, and electrons in atoms of various elements using information from the periodic table including atomic number, mass number, and element name or symbol. Students are given the element, mass number, and atomic number for different elements and are to determine and fill in the number of protons, neutrons, and electrons.

Uploaded by

ansaleroch
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
34 views1 page

Group Activity1

The document provides a worksheet for students to practice calculating the number of protons, neutrons, and electrons in atoms of various elements using information from the periodic table including atomic number, mass number, and element name or symbol. Students are given the element, mass number, and atomic number for different elements and are to determine and fill in the number of protons, neutrons, and electrons.

Uploaded by

ansaleroch
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
You are on page 1/ 1

Names: Strand and Section:

Protons, Neutrons, and Electrons Practice Worksheet


Calculating the number of each particle in an atom:

# Protons = Atomic Number


# Electrons = Protons
# Neutrons = Atomic Mass – Atomic Number OR Big # - Small #

Use the periodic table to find the numbers of protons, neutrons, and electrons for atoms of the following
elements.

Element Mass Atomic


Name of Element Protons Neutrons Electrons
Symbol Number Number

Boron B 11 5 5 6 5
Sodium 24 11
Y 89 39

Copper 29 35
Tc 98 43
Pb 207
Thallium 204 81
H 0
Carbon 12

N 7
Ba 56
Calcium
Si 14
Argon 18
Mg 12 12

You might also like