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Questions and Answers
Match the following terms with their definitions:
Match the following terms with their definitions:
Matter = A substance that cannot be broken down into another substance by ordinary chemical means Element = Anything that has mass and takes up space Atom = A chart of the elements arranged according to their properties Periodic table = Smallest portion of an element that retains its chemical properties
Match the following terms with their definitions:
Match the following terms with their definitions:
Isotope = Atoms of the same element that have the same number of protons and neutrons Chemical bond = Atoms of the same element that have the same number of protons but a different number of neutrons Molecule = Forces of attraction that hold atoms together Compound = Two or more atoms joined together
Match the following terms with their definitions:
Match the following terms with their definitions:
Ionic bond = A bond formed when atoms share electrons in order to have a completed valence shell Covalent bond = A bond formed when atoms are held together by the attraction between opposite charges Polar molecule = A molecule that has an equal number of electrons and protons Molecule = Two or more different atoms joined together
Match the following terms with their definitions:
Match the following terms with their definitions:
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Match the following terms with their definitions:
Match the following terms with their definitions:
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Study Notes
Properties of Matter
- Matter has mass and takes up space.
Elements and Atoms
- An element is a substance that cannot be broken down into another substance by ordinary chemical means.
- An atom is the smallest portion of an element that retains its chemical properties.
Periodic Table
- The periodic table is a chart of the elements arranged according to their properties.
Isotopes
- Isotopes are atoms of the same element that have the same number of protons but a different number of neutrons.
Chemical Bonds
- Chemical bonds are forces of attraction that hold atoms together.
Molecules and Compounds
- A molecule is two or more atoms joined together.
- A compound is two or more different atoms joined together.
Types of Chemical Bonds
- Ionic bond: a bond formed when atoms are held together by the attraction between opposite charges.
- Covalent bond: a bond formed when atoms share electrons in order to have a completed valence shell.
Polar Molecules
- A polar molecule is an electrically neutral molecule with a partial positive pole and a partial negative pole.
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Description
Test your understanding of fundamental chemistry concepts, including matter, elements, atoms, periodic tables, isotopes, chemical bonds, and molecules.
