Insulation products are used to __ energy loss.

enlarged

decrease

increase

protect

Classify each substance below as an atomic element, a molecular element, a molecular compound or an ionic compound. CO2- Ag- KCl- F2- I2- HBr- Cr- Al2O3-

You get a cooling effect when acetone is placed on your nails. Why is placing acetone on your nails an endothermic process?

How many oxygen molecules can be transported by one hemoglobin molecule?

Why is flammability a chemical property rather than a physical property?

In an ionic compound, the size of the ions affects the internuclear distance (the distance between the centers of adjacent ions), which affects lattice energy (a measure of the attractive force holding those ions together).

Describe the alternative energy source that you chose. Where is that energy produced? How is that energy produced? (be specific) What are the advantages and disadvantages of this type of energy?

Distinguish between a carbohydrate and a protein

5. Noble gases, the elements in group 18 of the periodic table, do not react easily with other elements. Explain why you think they are not very reactive.

Which elements in the periodic table are metalloids or have semimetallic properties? A) N and Br B) As only C) Br only

How is 6.3 written in scientific notation