College Chemistry Quiz
20 questions · no time limit
0:00
ATOMIC STRUCTURE & PERIODICITY
Question 1 of 20
No time limit
Current
Answered
Flagged
Not seen
The metallic character of elements generally decreases across a period and increases down a group. An element X shows intermediate metallic character, can form both X²⁺ and X⁴⁺ ions, and has an atomic radius larger than carbon but smaller than calcium. Based on these periodic trends, element X is most likely:
YOUR PROGRESS
20
QUESTIONS
Ready when you are
Answer in any order. Your progress shows here as you go.
QUESTIONS
KEYBOARD
Pick an answer ABCDE
Next question ↵→
Previous ←
Flag for review F
Answers save as you go · flagged questions come back at the end