What is the mass number of 19/9F?
Your
A. 9
B. 10
C. 19
D. 28

The diagram shows the relationship between scientific disciplines.the names of some scientific disciplines have been removed from the boxes. which scientific discipline belongs in the blue box? a.physics b.biology c.chemistry d.metallurgy

1. true or false: minerals are inorganic. true false 2. inorganic means that something has never been found alive 3. halite is another name for and is a mineral with a cubic crystal pattern. table salt rock salt

How many moles of sulfuric acid (h2so4) are needed to react completely with 6.8 moles of lithium hydroxide (lioh)? 2lioh + h2so4 → li2so4 + 2h2o a) 3.4 mol h2so4 b) 6.8 mol h2so4 c) 10.2 mol h2so4 d) 13.6 mol h2so4 a) 3.4 mol h2so4