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Chemistry atom Questions and Answers $12.49   Add to cart

Exam (elaborations)

Chemistry atom Questions and Answers

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Exam of 3 pages for the course Atom at Atom (Chemistry atom)

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  • October 25, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Atom
  • Atom
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julianah420
Chemistry atom

Atom - answer Smallest particle of an element that retains the properties of the element

The number of protons equal _____ - answer The number of electrons

Electron - answer A negatively charged, fast-moving particle with an extremely small
mass that is found in all forms of matter and moves through the empty space
surrounding an atoms nucleus

Proton - answer A subatomic particle carrying a charge equal to but opposite that of an
electron

Neutron - answer A subatomic particle that has a mass nearly equal to that of a proton
but carries no electric charge

Dalton's atomic theory - answer Matter is composed of extremely small particles called
atoms

Plum pudding model - answerA model that consisted of a spherically shaped atom
composed of a uniformly distributed positive charge in which the individual negatively
charged electrons recited

Rutherford's nuclear atomic model - answerAnd Adam consisted mostly of empty space
through which the electrons move; almost all of the items positive charge and almost all
of its mass were contained in an atom; the negatively charged electrons are held within
the atom by their attraction to the positively charged nucleus

Where is the proton located - answerNucleus

Who discovered the neutron - answerJames Chadwick

Where is the neutron located - answerNucleus

Who proposed that the atom has only certain allowable energy states - answerNiels
Bohr

Isotopes - answerAtoms with the same number of protons but different number of
neutrons

Mass number - answerSome of the atomic number or protons and neutrons

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