Practice Questions
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Which of the following elements is classified as a transition metal in the periodic table?
It sits in the middle of the table, the d-block, which holds metals that can form different colored compounds. Other options are incorrect because Thi...
Which of the following elements belongs to the metalloid group and is found in Group 14 of the periodic table?
Germanium is a metalloid that sits in Group 14 on the periodic table. Other options are incorrect because Silicon is also a metalloid, but the questio...
Which of the following elements has the highest electronegativity among the first ten elements of the periodic table, and what is its atomic number?
Fluorine pulls electrons tightly because it has a small size and seven electrons that are close to the nucleus, making it the most eager to grab elect...
Which of the following statements correctly describes a trend in the periodic table related to the atomic number, atomic radius, and noble gases?
Across a period, atomic radius decreases because more protons pull electrons closer. Other options are incorrect because The radius does increase down...
Which of the following statements best describes the relationship between the position of nonmetals on the periodic table and their chemical reactivity?
Nonmetals show different reactivity patterns depending on both where they sit in a group and where they sit across a period. Other options are incorre...
Which of the following statements accurately describe the structure of the Periodic Table? Select all that apply.
Elements are put in order of increasing atomic number so that each step adds one more proton to the nucleus. Other options are incorrect because Some ...
Why does the atomic radius of elements generally decrease across a period in the periodic table?
Across a period the number of protons in the nucleus goes up. Other options are incorrect because The mistake is thinking electrons go to a new, highe...
How does the organization of the Periodic Table help predict the properties of elements?
Atoms that sit in the same vertical column share the same count of outermost electrons. Other options are incorrect because People sometimes think the...
Which of the following elements would you classify as a noble gas, and why are noble gases distinct from other groups of elements?
Helium is a noble gas because it has a full outer shell of electrons, which makes it very stable and non-reactive. Other options are incorrect because...
Metals:Conductors :: Nonmetals:?
Metals can move their outer electrons freely, so they carry electric charge easily. Other options are incorrect because A reactor is a device that hol...
Arrange the following steps in the correct order of how elements are organized in the Periodic Table: A) Elements are grouped based on similar properties, B) Elements are arranged in order of increasing atomic number, C) Elements are placed in rows called periods, D) Elements are categorized into columns known as groups.
First, we line up elements by atomic number, which tells us how many protons they have. Other options are incorrect because The mistake is putting gro...
A chemist is studying an unknown element that is found in Group 14 of the Periodic Table. Based on its position, which of the following properties is most likely to be observed for this element?
Group 14 elements sit between metals and non‑metals. Other options are incorrect because Students think a gas must have a very high ionization energy,...
How does the position of an element in the periodic table correlate with its chemical reactivity?
Elements in one column share the same outer‑electron pattern. Other options are incorrect because Period members do not automatically become more reac...
In the structure of the Periodic Table, elements are primarily organized by their __________, which influences their chemical behavior and properties.
Atomic number is the count of protons in the nucleus. Other options are incorrect because Some think the table is sorted by weight; Electron affinity ...
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