Basic chemical reactions, the periodic table, and measurement concepts tested on the TEAS 7 Science section.
38 cards · basic cards · AI-written, checked twice. Edit anything.
- What does an atom's atomic number represent?
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The number of protons in its nucleus- What is the mass number of an atom?
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The total number of protons plus neutrons- What are the horizontal rows of the periodic table called?
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Periods- What are the vertical columns of the periodic table called?
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Groups, or families- Which group of elements is known as the alkali metals?
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Group 1- Which group of elements is known as the alkaline earth metals?
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Group 2- Which group of elements is known as the halogens?
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Group 17- Which group of elements is known as the noble gases?
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Group 18- Where are the transition metals located on the periodic table?
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Groups 3 through 12, in the middle block- Where are most metals located on the periodic table?
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On the left side and in the middle- Where are nonmetals located on the periodic table?
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On the right side- What are elements with properties of both metals and nonmetals called?
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Metalloids- Electrons in the outermost energy level of an atom, which determine its chemical bonding behavior, are called ____ electrons.
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valence- In a neutral atom, how does the number of electrons compare to the number of protons?
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They are equal- Atoms of the same element that have different numbers of neutrons are called ____.
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isotopes
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