Multiple Choice
Which of the following elements is a semimetal found in group 8A of the periodic table?
2. Atoms & Elements
Periodic Table: Group Names
Struggling with General Chemistry?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
How many elements are classified as halogens on the modern periodic table?
A
5
B
6
C
4
D
7
Verified step by step guidance1
Recall that halogens are elements found in Group 17 of the modern periodic table.
Identify the elements in Group 17 by their atomic numbers and symbols: Fluorine (F), Chlorine (Cl), Bromine (Br), Iodine (I), Astatine (At), and Tennessine (Ts).
Count the total number of these elements to determine how many halogens are currently recognized.
Note that Tennessine (Ts) is a synthetic element and is often included in the halogen group based on its position in the periodic table.
Sum the total number of halogens, which includes both naturally occurring and synthetic elements in Group 17.
5:33mWatch next
Master Periodic Table: Group Names with a bite sized video explanation from Jules
Start learningRelated Videos
Related Practice
Periodic Table: Group Names practice set
Problem sets built by lead tutorsExpert video explanations