So the relative mass of fluorine in the second compound is one-third that of sf6. what formula expresses one-third the amount of fluorine?

When a connector is marked with "al-cu," the connector is suitable for use with copper, copper-clad aluminum, and aluminum conductors?

What is the percent composition by mass of aluminum in Al2 (SO4) 3 (gram-formula mass = 342 grams/mole) ? (1) 7.89% (3) 20.8% (2) 15.8% (4) 36.0%

In the Investigate, you observed what happened to two pats of butter when the handle of a metal knife was placed in hot water. What conclusion can you draw about how the heat moved through the knife?

When hand warmers are activated, do they create energy?

Large crystals are made from the slow cooling of magma. a. True b. False

How many different elements have scientists discovered? 12, 112, 118, or more than 500?

What is the total mass of Kr-42 remaining in a 20-mg sample after 48.8 hours? (1) 2.5 mg (2) 5.0 mg (3) 10 mg 4) 20 mg

Which of the following household appliances is designed to directly convert electrical energy to heat energy? A. a can opener B. a stove C. a garbage disposal D. a fan

What volume will 12.0 g of oxygen gas occupy at 25 c and a pressure of 52.7 kpa?

Identify the atom represented by this electron configuration and elaborate on its bonding properties. 1s22s22p63s23p64s13d5 a. manganese is a transition metal that can form up to five stable ionic bonds. b.