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Charge and Mass Worksheet #1
In this charge and mass instructional activity, students complete a table by indicating the atomic number, the number of protons, the number of neutrons, the number of electrons and the mass number in given elements and isotopes. They...
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Making Models of Atoms and Isotopes
In this models of atoms and isotopes worksheet, learners use marshmallow of different colors to represent the protons, neutrons and electrons in an atom. Students make models of the 3 isotopes of hydrogen. They draw a diagram of each and...
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The Atom
In this atom worksheet, students complete a graphic organizer for the structure of the atom. They include the definition of the mass number, the atomic mass, the atomic number, the protons, neutron and electrons.
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Masses of Atoms
In this masses of atoms activity, students complete a chart of 7 isotopes with their isotope symbol, atomic mass, atomic number, and the number of protons, neutrons and electrons. They calculate the average atomic mass of two elements.
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Periodic Table
In this periodic table worksheet, students use the periodic table to complete the chart with the given elements. Students fill in the atomic number, atomic mass number, protons, neutrons, and electrons.
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Thermochemistry
In this thermochemistry worksheet, learners 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. Learners calculate...
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Electrons, Protons, Neutrons
In this atoms learning exercise, students complete a graphic organizer by writing in the element symbol, atomic number, mass number, and number of electrons, protons, and neutrons. This learning exercise has 1 graphic organizer and 14...
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Isotopes
In this isotopes worksheet, students review mass number, molecular notation, electron attraction, and electron orbits. This worksheet has 5 matching and 5 short answer questions.
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Atoms
In this atoms worksheet, students circle the term in parentheses that makes the 20 statements correct. The statements review the parts of an atom, isotopes, and basic matter principles.
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Atomic Theory, Structure, and Symbols
In this atomic theory worksheet, students review the observations that led to the conclusion of the atom having a positively charged nucleus. Students compare atomic number and mass number and explain how the discovery of subatomic...
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Calculating the Number of Sub-Atomic Particles in an Atom
In this atoms worksheet, students compare the position, relative charge and relative mass of sub-atomic particles. Students define mass number and atomic number. This worksheet has 2 graphic organizers and 4 short answer questions.
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Energy and Atoms
In this atoms worksheet, students review atomic number and mass number of atoms plus what happens when an atom is radioactive. This worksheet has 8 fill in the blank and 9 short answer questions.
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Energy and Atoms
In this atoms instructional activity, students review atoms, atomic number, and mass number. Students determine what happens when atoms become radioactive. This instructional activity has 8 fill in the blank and 9 short answer questions.
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Isotopes and Atomic Mass
In this isotopes instructional activity, students calculate an average atomic mass of specific elements. This instructional activity has 4 problems to solve.
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Elements
For this elements worksheet, learners determine the atomic number, mass, number, electrons, protons, and neutrons for elements. Students review the electromagnetic spectrum. This worksheet has 1 graphic organizer and 13 multiple choice...
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Atomic Structure
In this atomic structure instructional activity, students explain that an atom is made up of protons, neutrons and electrons. Then they explain that the atomic number is equal to the number of protons and the mass number is equal to the...
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A Guided Tour of the Periodic Table
In this periodic table instructional activity, students write the chemical symbols for the given elements, compare atomic number and mass number, and describe the importance of valence electrons in the organization of the periodic table....
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The Periodic Table of Elements
In this elements activity, students fill in a periodic table with the element symbols, mass numbers, and proton numbers of the elements that are missing.
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Atoms, Molecules, and Chemical Bonds
In this atoms worksheet, learners review the parts of an atom, Bohr diagram, atomic number, mass number, and covalent bonds. This worksheet has 5 drawings and 26 fill in the blank questions.
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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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Atoms
For this atoms worksheet, students use their knowledge of the periodic table and of atomic structure to complete the table on atoms. They identify the notation for each and then the atomic number, mass number, the number of protons,...
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Ions
In this ion structure worksheet, students complete a table for ions using the notations provided. They must identify and complete the atomic number, mass number, number of protons, number of neutrons, and the number of electrons for each...