A new element with 120 protons and 2 electrons in its outer level in what group does this element belong

Which element has similar properties to Berylium? Explain

How many moles of co2 are produced when 2.5 moles of o2 react?

Describe how carbon becomes locked up in sedimentary rocks.

What is the percent composition of sulfur in H 2 SO 4? A. 2.1% B. 65.2% C. 32.7% D. 98.1%

What does not exist in a supersaturated solution? A. undissolved solute B. dissolved solute C. solvent vapors

Using density what is the mass in grams of 150mL of a liquid with a density of 1.4 g/mL

All of the following can be recycled except clothing aluminum cans compact fluorescent bulbs plastic drink bottles

Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.0 L of water upon warming from 25 ∘C to 50 ∘C.

Washing soda, a compound used to prepare hard water for washing laundry, is a hydrate, which means that a certain number of water molecules are included in the solid structure.

When you light a fire place what energy transformation takes place