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Protons, Neutrons, and Electrons
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...
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Atomic Electron Configuration and Chemical Periodicity
In this electron configuration and periodicity worksheet, students answer fifteen questions about periodic trends and they analyze orbital diagrams indicating location of electrons.
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Bank On It! Compounds and Elements
In this science worksheet, students use words from a word bank to fill in 25 blanks in a cloze story about compounds and elements.
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Formula Mass Calculations
In this atoms worksheet, students calculate the formula mass for chemical compounds. This worksheet has 12 problems to solve.
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Melting Points of Elements in Period 3
For this elements worksheet, students use a data table to graph the elements and their melting points. Students have 8 elements to graph.
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Chemistry Review
In this chemistry review worksheet, students read about atoms and the periodic table and they complete a chart using the periodic table to find the atomic number, atomic mass and group of given elements. Students answer 5 questions about...
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Chemical Elements and Compounds Crossword
In this elements learning exercise, students complete a crossword puzzle by figuring out the vocabulary words associated with the 25 clues given.
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Bohr Energy Level Diagrams for Atoms
In this Bohr model worksheet, students draw 16 diagrams given atoms in the periodic table and must show the energy level diagrams indicating the electrons in each energy level.
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Resources - A Reading Guide
In this resources worksheet, students compare and contrast physical and chemical properties and changes. Students review the periodic table, pattern of atomic numbers and chemical reactivity. This worksheet has 56 short answer questions.
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Some Basic Chemical Ideas
In this chemistry learning exercise, learners fill in the blanks with the correct word from the word list. They examine the arrangement of elements in the periodic table.
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Periods and Groups; Valence Electrons; Masses
In this periods, groups, valence electrons and masses worksheet, students are given information about all these components of the periodic table. Students identify 4 elements in specific periods and groups, they find the valence...
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Atomic Trend Practice
In this atomic trend worksheet, students answer questions about trends in the periodic table such as ionization energy, atomic radii and electronegativity. They are given tables of elements and ions and they must identify which ones have...
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Chemical Elements: Student Story
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.
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Chemical Elements: Student Story2
For this chemical elements: student story worksheet, students complete the written story by filling in the blanks with the names of the elements in brackets.
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Chemical Elements: Student Story 3
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.
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Elements
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.
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Metals vs. Non-Metals
In this elements worksheet, students compare and contrast the characteristics of metals and non-metals. Students practice drawing Lewis dot diagrams and writing ion notation. This worksheet has 9 word problems, 8 matching questions, and...
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Thermochemistry
In this thermochemistry worksheet, students indicate whether the given processes are endothermic or exothermic reactions. Students complete the phase change diagram as well as define a given set of vocabulary words. Students calculate...
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Atom Basics Review Sheet
In this atom worksheet, students fill in three charts using the periodic table to identify atomic number, atomic mass, number of subatomic particles and the element's symbols. Students draw an atom and it's subatomic particles as well as...
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Atoms, Molecules, and Ions
In this molecules learning exercise, 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 learning exercise has 6 short answer...
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Anagrams
In this chemistry worksheet, students complete a crossword puzzle by rearranging 13 anagrams about elements. They create their own anagrams from 3 given words.
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Atoms
In this neutral atoms worksheet, students identify various neutral atoms found on the periodic table. They determine the number of protons, neutrons, and electrons for each neutral atom listed on the sheet. Students also identify that Z...
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All About Circuits ~ Atomic Structure
In this interactive Internet assignment, physical science investigators answer 11 questions about the atom, the subatomic particles, and atomic structure. They can click on "Reveal Answer" to discover if they are correct. They also...
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2001 U.S. National Chemistry Olympiad - Local Section Exam
Sixty multiple-choice chemistry questions make up this comprehensive exam used for the 2001 US National Chemistry Olympiad. Every topic that you would expect to approach in a general chemistry class is queried on. You could easily use...