Lesson 21 in a series of 36 specifically focuses on elements and their compounds from groups 13, 14, and 15 on the periodic table — including boron, carbon, aluminum, silicon, nitrogen, and phosphorus. Classes learn how some of these...

Ozone, made of three bonded oxygen atoms, is found 15-30 km above Earth, has a strong smell, is blue, and blocks sunlight from hitting the surface of Earth. The 22nd lesson in a series of 36 specifically focuses on the important elements...

In this chemistry review worksheet, students identify chemical changes, isotopes, ions, and chemical bonds. This worksheet has 32 multiple choice questions.

Sixty multiple-choice questions test on a variety of first year chemistry subjects. In order to succeed, exam takers must be competent with properties of elements, stoichiometry problems, gas laws, bond dissociation, and types of...

In this elements worksheet, students complete a crossword puzzle by figuring out the vocabulary words associated with the 25 clues given.

In this chemical elements: student story learning exercise, students complete the written story by filling in the blanks with the names of the elements in brackets.

In this chemical elements: student story 3 worksheet, students complete the written story by filling in the blanks with the names of the elements in brackets.

In this elements worksheet, students write in the symbol of the chemical element that matches its description. This worksheet has 10 fill in the blank questions.

In this chemical elements: student story worksheet, students complete the given story by filling in the blanks with the names of the elements in brackets.

For this molecules worksheet, students review the parts of an atom and use element mass to determine isotopes. Students give the group, period, and classification for the given elements. This worksheet has 6 short answer questions and 17...

In this chemistry worksheet, learners use the Internet to research the elements in the Periodic Table to locate the number of proton, neutrons, and electrons. They also draw pictures that illustrate one or more uses for their elements.

In this elements worksheet, students classify the given elements according to where they are located in the periodic table. This worksheet has 1 short answer and 4 fill in the blank questions.

In this chemical elements: teacher story instructional activity, students use the periodic table to write down the name and symbol of the first 10 elements. Students then complete a story by filling in the blanks with the names of the...

In this periodic trends worksheet, students determine the trends of electronegativity in the periodic table. Students compare electronegativity and ionization energy. This worksheet has 6 problems to solve.

Using the periodic table of elements, young chemists fill in a chart of isotopes to show the atomic number, mass, charge, number of protons, number of neutrons, and number of electrons. The chart is followed by 11 questions that...

In this atom worksheet, high schoolers answer 31 multiple choice questions about the structure of atoms, the periodic table, the reactivity of elements, orbital diagrams and the families of elements.

Teaching young scientists about atoms is no small task, but this series of worksheets will make it a little easier. From creating and labeling Bohr models, to identifying information provided in the periodic table of elements,...

In this periodic table activity, students review the elements and how they are organized in the periodic table. This activity has 10 fill in the blank, 6 multiple choice, and 5 short answer questions.

In this periodic table worksheet, learners determine why the periodic table is organized the way it is and compare and contrast the characteristics of the different grouping of elements. This worksheet has 22 short answer and 36 fill in...

In this periodic table worksheet, students characterize elements according to their group in the periodic table. This worksheet has 26 matching and 13 multiple choice questions.

In this elements worksheet, students review the characteristics of elements and the periodic table. This worksheet has 2 different versions, one with 20 multiple choice questions and answers and the other has 17 multiple choice questions...

In this element bingo cards activity, students use the card to play a bingo game and learn the elements in the periodic table.

In this chemistry activity, students use their imagination and the elements in the Periodic Table to solve each of the puns listed on the sheet. Then they create some of their own and write them on the back.

In this elements worksheet, students determine how electrons fill up the energy levels for the first 18 elements of the periodic table. Students determine if elements gain or lose electrons to form a stable ion. This worksheet has 4...