Concept explainers
Interpretation:
The pair of elements that is expected to have similar chemical properties 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.
Chemical properties of the elements repeat themselves at regular intervals because of the electronic configuration. The elements that are present in a Group have similar chemical properties. This is because the outer-shell electronic configuration will be the same.
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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 a noble-gas element? a. 8O b. 9F c. 17Cl d. no correct responsearrow_forward
- What is the atomic mass of a hypothetical element that exists in two isotopic forms that have masses of 8.00 amu and 10.00 amu, respectively, and percent abundances of 80.00% and 20.00%, respectively? a. 8.40 amu b. 9.00 amu c. 9.20 amu d. no correct responsearrow_forwardThe element chlorine, which has two isotopic forms, has an atomic mass of 35.5 amu. This means that a. all chlorine atoms have a mass of 35.5 amu b. some, but not all chlorine atoms have a mass of 35.5 amu c. no chlorine atoms have a mass of 35.5 amu d. no correct responsearrow_forwardHow many electrons are required to equal the mass of one proton? a. 1 b. 23 c. about 1800 d. no correct responsearrow_forward
- Which of the following elements would have the same number of valence electrons as 7N? a. 6C b. 8O c. 15P 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_forwardBased on periodic table location, which pair of elements would be expected to have similar chemical properties? a. 3Li and 4Be b. 6C and 7N c. 8O and 16S d. no correct responsearrow_forward
- In terms of subatomic particles, a Ca2+ ion contains a. more electrons than protons b. more protons than electrons c. the same number of electrons and protons d. no correct responsearrow_forwardWhich of the following statements about polyatomic ions is correct? a. All must contain oxygen. b. All must carry a negative charge. c. All have names that end in -ide. d. no correct responsearrow_forwardHow many electrons are present in atoms of the element whose electron configuration is 1s22s22p63s1? a. four b. eight c. eleven d. no correct responsearrow_forward
- General, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage LearningIntroductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage LearningGeneral Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage Learning