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Parts of the Atom Questions and Answers Correct $12.49   Add to cart

Exam (elaborations)

Parts of the Atom Questions and Answers Correct

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Exam of 2 pages for the course Atom at Atom (Parts of the Atom)

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  • October 25, 2024
  • 2
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Atom
  • Atom
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julianah420
Parts of the Atom

Atom - answer the basic particle from which all elements are made; the basic unit of
matter that consists of a dense central nucleus surrounded by a cloud of negatively
charged electrons

Element - answer the simplest form of a pure substance

Nucleus - answer the positively charged dense center of an atom containing neutrons
and protons

Electron - answer the subatomic particle having a negative charge and orbiting the
nucleus

Neutron - answer a subatomic particle forming part of the nucleus of an atom and
having no charge

Proton - answer a positively charged subatomic particle forming part of the nucleus of
an atom and determining the atomic number of an element

Atomic number - answerthe number of protons in the nucleus of an atom

Mass number - answerthe sum of protons and neutrons in the nucleus of an atom

Atomic Mass - answeraverage mass of the protons and neutrons in the nucleus of an
atom

Isotope - answeran atom that contains the same number of protons and electrons but
has additional or fewer neutrons

Ion - answeran atom that has lost or gained one or more electrons

Energy level - answerthe specific amount of energy an electron has; electrons closer to
the nucleus have more energy than the electrons further away from the nucleus

Valence electrons - answerelectrons in the outermost energy level of an atom

Equals atomic number - answerProtons

Equals number of electrons - answerProtons

Equals number of protons + number of neutrons - answerAtomic mass

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