If an atom's mass number is 210 and its atomic number is 85, how many neutrons does it have?

Modern atomic theory states that the Atom on diffuse cloud surrounding a small dense nucleus identifying which particle is in the nucleus

If an atom has an atomic mass of 16 and it has 8 neutrons what is it's atomic number

A 2.50-l volume of hydrogen measured at â196 °c is warmed to 100 °c. calculate the volume of the gas at the higher temperature, assuming no change in pressure

Why does more water evaporate off of oceans than off land?

You have a strong solution of lemonade that you need to dilute before serving. During the dilution which of the following will change? Question 8 options: The number of moles of solute the volume of solvent the Molarity of solvent everything changes.

How do the products and reactants of a chemical change compare? The mass of the products is greater than the mass of the reactants because energy is taken in by the reaction.

Calculate the molecular mass of ferric oxide (FE3O4)

Which of the following is a technique used in relative dating? Beta decay Index fossil correlation Isotope ratios Radiocarbon dating

Methanol enters a distillation column at 43 c. the column does not have a reboiler and uses open steam for heating. the column is at 101.3 kpa. the steam is pure water and is a saturated vapor.

The wavelength of a specific in the infared is 4 x 10^-6 meters. given that the speed of light is 2.998 x 10^8 m/s, what should be the frequency of this infrared wave?