ECA
Study Guide
Library
/
2025–2026 · 9th Grade Science · Dr. Shulman
/
Unit 3: Development of Atomic Theory
/
Quiz
✅
Quiz
Unit 3: Development of Atomic Theory — 10 questions
Question 1 of 10
0 correct so far
Question 1
Saltwater is best classified as:
A
An element
B
A compound
C
A homogeneous mixture
D
A heterogeneous mixture