Ch.2 - Atoms & ElementsWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: Arranging elements by atomic number reveals a periodic pattern of properties. This pattern is the basis of the periodic table.If F is a reactive nonmetal, which other element or elements shown here do you expect to also be a reactive nonmetal?

Solution: Arranging elements by atomic number reveals a periodic pattern of properties. This pattern is the basis of the periodic table.If F is a reactive nonmetal, which other element or elements shown here do

Problem

A diagram showing 12 elements arranged into three groups of four by atomic number to show a pattern in their properties.
Arranging elements by atomic number reveals a periodic pattern of properties. This pattern is the basis of the periodic table.

If F is a reactive nonmetal, which other element or elements shown here do you expect to also be a reactive nonmetal?

Solution

We’re asked to determine which other element or elements shown in the diagram is/are expected to also be a reactive nonmetal if F is a reactive nonmetal based on the periodic pattern of properties in the Periodic table.


From the diagram, we can see that elements with even atomic numbers starting from He (2) to the next 8th elements are non-reactive, while elements with odd atomic numbers immediately after the non-reactive elements are reactive.


A diagram showing 12 elements arranged into three groups of four by atomic number to show a pattern in their properties.


This means that if F with the atomic number = 9 (odd number) is a reactive non-metal, then:

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