Chemical Symbols and Formulas

Chemical Symbols and Formulas

Grade 7 · Science · 45 min

What's Included

Learning Objective

I can create and interpret simple chemical formulas using the correct symbols for elements.

Warm-Up Video

Unknown Channel · 5:00

Counting Atoms

Practice Questions

7 questions · Short answer

Exit Ticket

Quick comprehension check

Given the chemical formula C₃H₈, identify the number of carbon and hydrogen atoms present and explain how you arrived at your answer. In the chemical formula (C₂H₅)₂O, calculate the total number of carbon, hydrogen, and oxygen atoms in the compound and explain your reasoning.

Teacher Guide

Get the complete package:

  • Answer keys for all questions
  • Differentiation strategies
  • Extension activities
  • Printable student handouts