CHEM 1411 EXAM QUESTIONS WITH
100% CORRECT ANSWERS L LATEST
VERSION 2025/2026.
Mendeleev arranged the elements according to - ANS atomic weight and chemical reactivity.
Which is not true? - ANS Mendeleev ended each row in his periodic table with an inert gas.
The horizontal rows of the periodic table are called - ANS Periods
The vertical columns of the periodic table are called - ANS Groups
Most elements in the periodic table are - ANS Metals
Elements in a periodic group have similar - ANS chemical properties.
Which of the following elements has chemical properties similar to oxygen? - ANS Sulfur
Which horizontal row of the periodic table contains the most elements? - ANS Row 6
Which of the following statements does not describe a physical property of chlorine? -
ANS Chlorine combines with sodium to form table salt.
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, Which of the following statements does not describe a chemical property of oxygen? -
ANS The pressure is caused by collision of oxygen molecules with the sides of a container.
Which of the following underlined items is not an extensive property? - ANS the color of a
cobalt compound
Which group 1A element is not a metal? - ANS H
Which of the following elements is a liquid at room temperature? - ANS Mercury
Which group of elements reacts violently with water? - ANS Alkali Metals
Which of the following elements is classified as a semimetal? - ANS germanium
Gaseous elements characterized by low reactivity are found in group ________ of the periodic
table. - ANS 8A
All of the following are fundamental SI units except the - ANS Gram
What symbol is used to express the factor, 10^-6 - ANS μ
What symbol is used to represent the factor 10^-3? - ANS m
What symbol is used to represent the factor 10^-9? - ANS n
The factor 0.01 corresponds to which prefix? - ANS centi
The factor 10-2 corresponds to which prefix? - ANS centi
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
100% CORRECT ANSWERS L LATEST
VERSION 2025/2026.
Mendeleev arranged the elements according to - ANS atomic weight and chemical reactivity.
Which is not true? - ANS Mendeleev ended each row in his periodic table with an inert gas.
The horizontal rows of the periodic table are called - ANS Periods
The vertical columns of the periodic table are called - ANS Groups
Most elements in the periodic table are - ANS Metals
Elements in a periodic group have similar - ANS chemical properties.
Which of the following elements has chemical properties similar to oxygen? - ANS Sulfur
Which horizontal row of the periodic table contains the most elements? - ANS Row 6
Which of the following statements does not describe a physical property of chlorine? -
ANS Chlorine combines with sodium to form table salt.
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, Which of the following statements does not describe a chemical property of oxygen? -
ANS The pressure is caused by collision of oxygen molecules with the sides of a container.
Which of the following underlined items is not an extensive property? - ANS the color of a
cobalt compound
Which group 1A element is not a metal? - ANS H
Which of the following elements is a liquid at room temperature? - ANS Mercury
Which group of elements reacts violently with water? - ANS Alkali Metals
Which of the following elements is classified as a semimetal? - ANS germanium
Gaseous elements characterized by low reactivity are found in group ________ of the periodic
table. - ANS 8A
All of the following are fundamental SI units except the - ANS Gram
What symbol is used to express the factor, 10^-6 - ANS μ
What symbol is used to represent the factor 10^-3? - ANS m
What symbol is used to represent the factor 10^-9? - ANS n
The factor 0.01 corresponds to which prefix? - ANS centi
The factor 10-2 corresponds to which prefix? - ANS centi
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
