Coal, petroleum, and natural gas are all examples of

What bond allows metals to conduct electricity

How does the number of valence electrons in atoms of metalloids explain why metalloids are semiconductors? They have one or two valence electrons, so they cannot lose electrons easily.

What object has the mass or weight of 0

Which of the following is true about acids? a. Acids give foods a bitter taste. b. Aqueous solutions of acids conduct electricity. c. Acids have a pH value greater than 7. d. all of the above

What is equal solute concentration inside and outside of the cell so water moves at equal rates?

Why have some chemicals been banned from usage in agriculture/food production

Which of the following is a pure substance

What is 825640 in scientific notation

Which type of substance can conduct electricity in the liquid phase but not in the solid phase? metallic element molecular compound nonmetallic element ionic compound

Differentiate between the significance of the coefficients in a balanced chemical equation