Who wanna be my friend im a girl and im 13 and im lightskin and black curly hair

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.

On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?

Atomic nuclei of almost all elements consist of