A 3-page reading and review worksheet
that provides a summary of the isotopes, average atomic mass, % abundance, and weighted averages
through a 1-page reading exercise and a 1-page review worksheet.
I use this product to review concepts found in Section 3 of my Atoms and the Periodic Table PPT presentation
. This section introduces the topic of isotopes, % abundance, weighted averages, and calculating a weighted average.
A link to my Atoms and the Periodic Table PPT presentation is found below.
PPT - Atoms and the Periodic Table
features a reading exercise
on the following topics:
- Basic information found in an element's square: name, chemical symbol, atomic number, mass number
- Atomic number (# of protons or electrons)
- Atomic mass (# of protons + neutrons)
- How some naturally-occurring isotopes are more abundant than others (with carbon as an example)
- Atomic mass as an average mass
- Weighted averages
- Calculating weighted averages (with example)
is a review sheet
divided up into 3 sections:
- Review of content from the reading (fill in the blanks)
- Completing a summary table of element information and determining the most abundant isotope
- Calculating a weighted average of an element.
is a full color-coded answer key
for all review questions.
NOTE: Product Includes 2 Periodic Tables For Handouts:
Since a periodic table is required for this activity, Page 4
features 2 small periodic tables
that can be printed off and used by students to look up the names, chemical symbols, atomic numbers, and atomic mass numbers of elements in order to complete Question #2. The periodic tables are high resolution images in black and white for easy photocopying. There are 2 per page to minimize the amount of photocopies needed!
Downloadable in 2 Formats:
This worksheet comes in 2 formats: a static PDF document
and fully-editable WORD document
Download the full PDF preview
to see EXACTLY
what you are getting!
Relevant NGSS Core Idea(s) Addressed by This Product:
NGSS - MS-PS1.A
Physical Science - Matter and its Interactions - Structure and Properties of Matter
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Test - Atoms and the Periodic Table
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Copyright © Douglas Enns
. All rights reserved by author. This product is to be used by the original downloader only. Copying for more than one teacher, classroom, department, school, or school system is prohibited. This product may not be distributed or displayed digitally for public view. Failure to comply is a copyright infringement and a violation of the Digital Millennium Copyright Act (DMCA). Clipart and elements found in this document are copyrighted and cannot be extracted and used outside of this file without permission or license. Intended for classroom and personal use ONLY.