What is the mass of 6.12 moles of arsenic (As) ?

A. 12.2 g As

B. 73.7 g As

C. 276 g As

D. 459 g As

How do you think the bonds between carbon atoms might be different in diamond and graphite?

What is the oxidation number of C in NaHCO3?

To make common salt, what does Cl combine with? * Alkali Metal Alkali Earth Metal Transitional metal Non Metal

True or false certain cations are associated with either exotermic or endothermic processes

A drop of liquid tends to have a spherical shape due to the property of 1. viscosity. 2. capillary action. 3. surface tension. 4. vapor pressure. 5. close packing.

How do the chemical properties of oxides change from left to right across a period? From top to bottom within a particular group?

A mixture is different from a compound because each substance in a mixture a. retains its own properties. c. forms an ion. b. changes its electric charge. d. changes from a solid to a liquid.

Gamma ray Ultra- violet Infrared Radio H. X-rays Visible Microwave Which electromagnetic wave transfers the most energy? infrared microwaves radio waves X-rays Frequency (Hz) 1015 1013 1021 1019 107 10" 109 107 Intro Done

If a 9.983 g sample of calcium sulfate dihyrate was heated in a crucible under the correct conditions, how many grams of water should be lost?

What group of elements has the most stable arrangement in their outer energy level?