1. Which physical property is used to classify minerals and gems? 2. What do you get if you combine vinegar with baking soda?

3. What do you get if you combine iron, water, and oxygen?

4. Give an example of a physical change.

5. What is a chemical property of gasoline, paper, and wood?

The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.

How does climate change cause the ocean's thermohaline current to slow down?