Which items did Mendeleev write down on note cards while he was observing different elements?
A. Buoyancy
B. Density
C. Color
D. Atomic mass

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle

Infrared radiation has wavelengths that are shorter than visible light is part of the visible light spectrum has wavelengths that are longer than visible light has the same wavelengths as ultraviolet radiation

Why do different substances have diffrent properties