A vapor is which state of matter?

a. solid

b. liquid

c. gas

d. all of the above

Before you touch an electrical switch, plug, or outlet a). Your hands must be dry b). Hands must be clean c). ask the custodian d). ask the nurse

A positively charged particle with a mass of 1.673*10-27kg is an

Q: The sodium atom loses an electron to form a sodium ion (Na+). Which statement is correct with respect to its atomic radius? Here's your actual answer A: The sodium ion has a smaller radius than the atom.

What is the simplest way for phosphorus to gain a stable octet? Lose 3 electrons Gain 3 electrons Lose 5 electrons Gain 5 electrons

If you mechanically shook a mixture of phospholipids and water, what would you expect to see when you observe the solution using an electron microscope?

Imagine a chemist is in the lab and trying to make some chemical reactions happen. In one reaction she reacts chemicals in an exothermic reaction and there is an increase in entropy.

Which of the following requires an oxidizing agent? Al yields Al3+ 2 O yields O2 Cl2 yields 2 Cl- Ag + yields Ag

Type of ion formed by group 2A elements

Identify each energy exchange as heat or work. Drag the appropriate items to their respective bins. melted wax

23 Which term identifies a type of organic reaction? (1) deposition (3) esterification (2) distillation (4) sublimation