Capture and paste your atom or ion
What is
the
charge?
Is it a neutral atom, positive
ion,
or negative ion? explain why
1
What is in your
atom or ion?
(Stable only)
# of protons:
# of neutrons:
# of electrons:
# of protons:
# of neutrons:
# of electrons:
# of protons:
# of neutrons:
# of electrons:
2
3

Aplane takes off from an airport and flies to town a, located d1 = 215 km from the airport in the direction 20.0° north of east. the plane then flies to town b, located d2 = 230 km at 30.0° west of north from town a. use graphical methods to determine the distance and direction from town b to the airport. (enter the distance in km and the direction in degrees south of west.)

An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?

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.?