How many valence electrons are in magnesium

When comparing two solutions with the same volume, you may say that one is dilute and the other is concentrated. What does this mean?

If 100 g of a substance reacts with 70 g of another substance, what will be the mass of the products after the reaction?

A 500 mL sample of 0.5 M NaOH at 20 C is mixed with an equal volume of 0.5 M HCl at the same temperature in a calorimeter. The temperature rises to 23.21 C. Calculate the heat of the reaction. ( - 53.72 kJ/mol)

What group of plants produce fruit

How many places are there for electrons in the third shell of an atom? A. 2 B. 4 C. 8 D. 12

How do I write a balanced half-reaction describing the reduction of gaseous dioxygen to aqueous oxide anions?

When table salt is placed in water and stirred it dissolves and a clear liquid is obtained. This process is a

Carbonic acid is generated by bubbling co2 into a beaker of water. If it took 5 minutes for this reaction to reach equilibrium, how would the results differ if the enzyme carbonic anhydrase was added to the beaker of water?

Part a which element can expand its valence shell to accommodate more than eight electrons? which element can expand its valence shell to accommodate more than eight electrons? he h f b s

What are some reasons why the research should be put through a peer-review process?