What objects in your home has chemical and physical properties

Balance this equation. If a coefficient of "1" is required, choose "blank" for that box. CO + O2 → CO2

Identify the common substance that has the highest density.

Which of the following is an example of a suspension? A. Mayonnaise B. Milk C. Chalk powder suspended in water D. Water

Which describes Bohr's contribution to the atomic model? A. He described electrons in specific orbits around the nucleus. B. He determined that atoms are neither created nor destroyed. C. He recognized that an element could have several isotopes. D.

What type of change does electron have?

Some polymers are elastic because they are made of a. carbon. c. sugar and alcohol. b. phosphate ladders. d. cross-linked chains.

The hot converting blank is the layer of rock between the earths crust and core

Compare the compressibility of gases and liquids. Support your answer by describing the arrangement of particles in gases and liquids.

Why are ionic crystals soluble in water?

What group is more reactive than the alkaline earth metals