Is the group number the number of electrons on the outermost shell

Explain why the energy harnessed per person (per capita) has increased so dramatically since the industrial revolution.

Energy does not have to involve motion. Question 8 options: True False

How do balanced chemical equations show the conservation of mass?

You are preparing some solutions for your instructor and have been asked to prepare 3.00 L of a 0.250M sodium hydroxide solution. To make the solution, you should weigh out: A. 30.0 g NaOH and add 3.00 L of water to it. B. 75.

Which of the statements below is not a characteristic of economically developed nations? 1. access to health care 2. high standard of living 3. industrialization 4. reduced use of resources

Identify the reactants and products of 3ba (c2h2o2) 2 (aq) + 2na3po4 (aq) = ba3 (po4) 2 (s) + 6nac2h2o2 (aq)

How many moles of copper are needed to react with sulfur to produce 0.25 moles of copper sulfide

How is friction a good thing and a bad thing?

Explain why ice is able to float on water

Lewis dot structure for F2 (g)