Physical Science Chapter 5

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Other
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9th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Mendeleev arranged the known chemical elements in a table according to increasing: atomic number, number of electrons, number of protons, mass
Back
mass
2.
FLASHCARD QUESTION
Front
Mendeleev gave the name eka-aluminum to a(an)
Back
unknown element he predicted would have properties similar to those of aluminum.
3.
FLASHCARD QUESTION
Front
The usefulness of Mendeleev’s periodic table was confirmed by
Back
the discovery of elements with predicted properties.
4.
FLASHCARD QUESTION
Front
Identify the segments labeled A and B in the blank periodic table.
Back
A is a period and B is a group.
5.
FLASHCARD QUESTION
Front
Moving from left to right across a row of the periodic table, which value increases by exactly one from element to element? (isotope number, atomic number, atomic mass unit, mass number)
Back
atomic number
6.
FLASHCARD QUESTION
Front
The atomic mass of an element is
Back
a weighted average of the masses of an element’s isotopes.
7.
FLASHCARD QUESTION
Front
One twelfth the mass of a carbon-12 atom is used to define a(an)
Back
atomic mass unit
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