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- Subject
- Periodic Classificationchemistry-mcqs › periodic-classification
- Published
- 18 Mar 2019
- Last updated
- 28 May 2026
Explanation
Hydrogen and carbon are alike because both demonstrate significant reducing properties, meaning they can donate electrons in chemical reactions. They do not have the same number of valence electrons or physical states, but their ability to act as reducing agents is a key similarity.
More Periodic Classification MCQs
Practice related questions from the same subject.
- 1.Which of the following statements about metals is false?
- 2.Considering atomic sizes, which of the following comparisons is accurate?
- 3.Why does iodine exist in a solid state under standard conditions?
- 4.What term is used for halides where halogen atoms serve as bridges connecting two atoms of another element?
- 5.What does the oxidation state of an atom indicate?
- 6.How does the metallic character of alkali metals change as you move down the group?
- 7.What is the nature of the energy change when a second electron is added to a singly charged negative ion?
- 8.Which factors influence the ionization energy of an atom?
More in Chemistry Mcqs
- Alcohols Phenols and Ethers
- Aldehydes and Ketones
- Aliphatic Hydrocarbons
- Alkyl Halides
- Aromatic Hydrocarbons
- Atomic Structure
- Carboxylic Acids
- Chemical Bonding
- Chemical Equilibrium
- Chemistry Basic Concept
- Common Chemical Industries
- Diagnostic Test
- Electrochemistry
- Environmental Chemistry
- Experimental Techniques
- Gases
- Group III A and IVA Elements
- Group VA and VIA Elements
- Liquids and Solids
- Macromolecules
- Organic Chemistry
- Reaction Kinetics
- S-BLOCK ELEMENTS
- Solutions
- The Halogens and The Noble Gases
- Thermochemistry
- Transition Elements