Exam (elaborations)
Atoms and Elements Questions and Answers 2024
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Exam of 1 pages for the course Atom at Atom (Atoms and Elements)
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Atoms and ElementsNucleus - answer Center of an atom, made up of protons and neutrons
Element - answer Substance made up of only one kind of atom
Proton - answer subatomic particle with a positive charge
Atom - answer smallest unit of an element with all the properties of that element
Neutron - answer subatomic particle with no charge
Periodic Table - answer arrangement of elements by similar properties. *Note: Students
will need to know how to use a Periodic Table to identify an element's atomic number,
physical states, symbols, and similar properties.
Additionally, given melting points for certain elements, students will need to be able to
infer which elements are liquids, solids or gases.
Compound - answersubstance made up of the atoms of two or more elements
Molecule - answertwo or more atoms joined together
Electron: - answersubatomic particle with a negative charge
The attraction between electrons and protons - answerhold together atoms.
Atomic number of an element - answerThe number or protons
Periodic Table arrangement - answerby atomic number and similar properties.
Metals - answerConduct electricity, ductile, luster, malleability, and conduct heat.
H2CO3 - answerThe formula for a molecule that has1 carbon atom, 2 hydrogen atoms,
and 3 oxygen atoms.
Insulators - answeran element that binds tightly to their atoms and conducts hardly any
electricity.
Atom's Element - answerdetermined by the number of protons.
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