In which of the following groups do the elements belong to the same period?
a) hydrogen, fluorine, and neon
b) lithium, sodium, and potassium
c) potassium, titanium, and arsenic
d) beryllium, carbon, and sulfur
Answer (2)
The elements that belong to the same period from the provided options are c) potassium, titanium, and arsenic , all found in the fourth period. Other options included elements from different periods. Understanding the periodic table helps clarify these groupings and periods.
;
The elements in the same period from the provided options are potassium, titanium, and arsenic, all found in the fourth period of the periodic table. Other options included elements from different periods. Familiarity with the periodic table allows for accurate identification of elements in the same period. ;
