Counting Atoms & Reading Chemical Formulas: Video Worksheet | MS Chemistry

This activity is a FREE complement to our YouTube video on "How do You Read a Chemical Formula?" covering Subscripts, Coefficients, and Atom Counting.

[Preview this free video here on YouTube]

⭐ What's Covered?:

✅ What chemical formulas represent and why we use them

✅ How to read element symbols from the periodic table

✅ What subscripts mean and how to count atoms

✅ How coefficients multiply entire formulas

✅ How to handle parentheses in complex formulas

✅ Counting atoms in multi-element compounds like Ca(OH)₂

✅ Real molecules: water, carbon dioxide, glucose, table salt

What will the students be doing?

● Students will be given either a printed or digital handout to record answers on.

● Either individually or as a class watch the video

● Then, they will use the video and their own knowledge to answer the questions.

● Use questions to spark discussions and apply information beyond the page!

What materials are needed?

● Either 1 printed copy per student OR the digital version assigned

● An internet enabled device for research as needed.

When should I use this resource in my class?

✔ When reviewing or simply studying science in general

✔ Perfect review resource or class activity

✔ This makes for the perfect digital lab or group activity

✔ When looking to link outside world into your classroom

✔ This makes for the perfect sub activity too!

✔ Anytime you want to get students excited about science!

➡ Please note: these videos do assume you've covered at least some basic terminology beforehand. This is designed to be a supplemental resource not a sole source of teaching. You are the teacher and know your students best. So, take the time to review vocabulary after this activity too to ensure student understanding.

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