Chemistry Quiz
20 questions · no time limit
0:00
MATTER AND ITS INTERACTIONS
Question 1 of 20
No time limit
Current
Answered
Flagged
Not seen
In a classroom demo, a small piece of sodium (Na), a Group 1 element in Period 3, is stored under mineral oil. When a tiny piece is dropped into water, it reacts quickly and produces bubbles and heat. Which justification best explains why sodium must be stored under oil to prevent reaction with air and water?
YOUR PROGRESS
20
QUESTIONS
Ready when you are
Answer in any order. Your progress shows here as you go.
QUESTIONS
KEYBOARD
Pick an answer ABCD
Next question ↵→
Previous ←
Flag for review F
Answers save as you go · flagged questions come back at the end