Concept explainers
Interpretation:
The arrangement of elements in a standard periodic table has to be chosen from the given options.
Concept Introduction:
Periodic law states that if the elements are arranged in increasing order of
Location of an element in a periodic table can be given by the period number and the group number. The horizontal row in a periodic table where the elements are present is known as Period. The vertical column in a periodic table where the elements are present is known as Group.
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General, Organic, and Biological Chemistry
- Which of the following element-classification pairings is incorrect? a. 7Nrepresentative element b. 26Fetransition element c. 75Reinnertransition element d. no correct responsearrow_forwardWhich of the following pieces of information about an element is not found on a standard periodic table? a. chemical symbol b. atomic number c. mass number d. no correct responsearrow_forwardWhich of the following elements is located in the d area of the periodic table? a. 20Ca b. 26Fe c. 33As d. no correct responsearrow_forward
- Which of the following elements is a noble-gas element? a. 8O b. 9F c. 17Cl d. no correct responsearrow_forwardThe correct chemical symbol for the element beryllium, which contains the first two letters of the elements name, is a. be b. Be c. BE d. no correct responsearrow_forwardFree radicals are dangerous because a. they are found incorporated in any radioisotope, including those than can enter the body through the lungs as does radon b. they can be taken into the body in the food eaten if that food has been grown in radioactive soil c. they are substances that are missing some electrons and are extremely active chemically d. all of these responses are correct e. no correct responsearrow_forward
- Attempt 1 What is the chemical formula for the compound formed between vanadium(III) and iodine? 13V chemical formula: Incorrect What is the chemical formula for the compound formed between vanadium(III) and sulfur? V2(SO4)3 chemical formula: Incorrectarrow_forwardProblem 20 What atomic configurations? a) ns¹np¹ b) ns¹nd¹ c) ns²np¹ d. ns¹np² terms are possible for the following electron Which of the possible terms has the lowest energy? 21 Aarrow_forwardCorrect and incorrect option explain and correct answer pleasearrow_forward
- Question s -5arrow_forwardThe term nuclide is a term used to describe a. stable, but not unstable, atoms b. unstable, but not stable, atoms c. both stable and unstable atoms d. no correct responsearrow_forwardThe formula mass for a compound is calculated by summing which of the following numbers for all atoms in a formula unit of the compound? a. atomic number b. mass number c. nuclear charge d. no correct responsearrow_forward
- General, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage LearningOrganic And Biological ChemistryChemistryISBN:9781305081079Author:STOKER, H. Stephen (howard Stephen)Publisher:Cengage Learning,