Describe Thomson's model of the atom. How might it account for the production of cathode rays?

What does it mean when we say "kinetic energy in an electron"?

Why does increasing the temperature make solutes dissolve in water quicker? a. it decreases the surface area of the solute b. it raises the pressure of the water molecules c. it prevents the solute from crystallizing d.

Which of the following operations yields the number of moles of solute? a. molarity x liters of solution b. molarity x moles of solution c. molarity x mass of solution d. moles of solution / volume ofsolution?

What kind of orbital is occupied by the lone pair electrons in caffeine molecule?

Which elements are likely to gain electrons

Describe a way to separate iron filings from sand.

Why does static friction work best in dry weather?

For an alloy containing 50% cu and 50% ni, calculate the amounts of solid s and liquid l presents at 1300c. show that the total nickel content in the solid and liquid phases adds up to 50%. (5')

Why science can answer some questions, but not others

Calculate the theoretical yield of ammonia produced by the reaction of 100g of H2 gas and 200g of N2 gas