What accounts for the difference in the heights of the mercury and water columns

Which element has atoms with the greatest ability to bond to another in large, extended structures? A) Lithium B) Oxygen C) Fluorine D) Carbon Explain your choice.

A 500-g sample of Al2 (SO4) 3 is reacted with 450 g of Ca (OH) 2. A total of 596 g of CaSO4 is produced. What is the limiting reagent in this reaction, and how many moles of excess reagent are unreacted?

Read the following chemical equation. Mg (s) + H + Cl - → Mg2 + Cl - + H2 What most likely happens during this reaction? Magnesium gains two electrons. Magnesium loses two electrons. Chlorine gains one electron. Chlorine loses one electron.

Which statement describes the periodic table

How many moles of NH3 have to be added to 1.0 L of water to dissolve 0.20 moles of AgCl? The complex ion Ag (NH3) 2 + forms.

A intramuscular medication is given at 5.00mg/kg of body weight. What is the dose in grams for a 180-lb patient?

Nuclear fusion is the source of energy for stars. Besides hydrogen, which other element is most likely also common in stars?

Since the early 2000s, careers in the field of genetics have grown at a rapid pace. Which of these is a probable cause for this explosion of available and expanding jobs?

How many litres of 0.215 m NaCl contains 4.30 mol of this salt? Assume this solvent is H2O I'm confused on this question because little m is molality but when I looked this up on google, someone solved the problem assuming it was molarity

How can a neutral atom become a positively-charged particle?