The teacher shows students a pictorial model of an atom. Which element is
represented by the model and what evidence is provided?
A. Fluorine because the model has 19 neutrons and electrons which is represented by the
atomic number found on the periodic table.
B. Fluorine because the model has 9 protons which is represented by the mass number found
on the periodic table.
C. Fluorine because the model has 9 protons which is represented by the atomic number
found on the periodic table.
D. Neon because there are 10 neutrons which is represented by the atomic number found on
the periodic table.
Answers: 2
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Express the following number in scientific notation. 0.026890 =
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What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.
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The teacher shows students a pictorial model of an atom. Which element is
represented by the model...
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