Multiple Choice
Which of the following lists correctly identifies the top three most abundant elements in Earth's continental crust?
19
views
2. Atoms & Elements
Periodic Table: Representative Elements & Transition Metals
Struggling with General Chemistry?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which of the following is a lanthanide element?
A
Ce
B
Pb
C
Zn
D
Ag
Verified step by step guidance1
Understand that lanthanides are a series of elements in the periodic table with atomic numbers from 57 to 71, starting with Lanthanum (La) and ending with Lutetium (Lu).
Identify the given elements and their atomic numbers: Ce (Cerium, atomic number 58), Pb (Lead, atomic number 82), Zn (Zinc, atomic number 30), and Ag (Silver, atomic number 47).
Recall that lanthanides are located in the f-block of the periodic table and include elements with atomic numbers 57 through 71.
Compare the atomic numbers of the given elements to the lanthanide range; only Ce (Cerium) falls within this range.
Conclude that Ce is the lanthanide element among the options provided.
3:30mWatch next
Master Transition Metals and Representative Elements with a bite sized video explanation from Jules
Start learningRelated Videos
Related Practice
Periodic Table: Representative Elements & Transition Metals practice set
Problem sets built by lead tutorsExpert video explanations