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CHEM 120 WEEKLY QUIZZES VERSION 1 QUIZ BANK COMPREHENSIVE TEST 2026 QUESTIONS WITH ANSWERS VERIFIED A

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CHEM 120 WEEKLY QUIZZES VERSION 1 QUIZ BANK COMPREHENSIVE TEST 2026 QUESTIONS WITH ANSWERS VERIFIED A

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CHEM 120 WEEKLY QUIZZES VERSION 1 QUIZ
BANK COMPREHENSIVE TEST 2026
QUESTIONS WITH ANSWERS VERIFIED A+

◉ Periods. Answer: Horizontal rows in the periodic table. These
elements demonstrate a range of properties from metallic (on the
left) to nonmetallic (on the right).


◉ Max # of electrons in S orbital. Answer: 2


◉ Max # of electrons in P orbital. Answer: 6


◉ Groups (families). Answer: Vertical columns in the periodic table.
Contain elements with similar chemical properties.


◉ Valence Electrons. Answer: are the electrons in the outermost
principal energy level of an atom.


These are the electrons that are gained, lost, or shared in a chemical
reaction


◉ Elements in a group or family have the same number of. Answer:
Valence electrons

, ◉ Alkali Metals. Answer: Group 1A- Valence electron configuration:
ns1


◉ AlkalineEarth Metals. Answer: Group 2A - Valence electron
configuration: ns2


◉ Halogens. Answer: Group 7A - Valence electron configuration:
ns2np5


◉ Noble Gases. Answer: Group 8A - Valence electron configuration:
ns2np6


◉ Metals. Answer: Metallic luster, conduct heat and electricity,
malleable, and ductile. Examples are sodium and copper.


◉ Nonmetals. Answer: Dull luster, nonconductors, and brittle in the
solid state. Examples are sulfur and bromine.


◉ Metalloids. Answer: Demonstrate properties of both metals and
nonmetals. Examples are silicon and arsenic.


◉ Fact:. Answer: Noble gases are inert and undergo few chemical
reactions.

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