Physics, 06.06.2020 19:57 barloase5747

Excess electrons are placed on a small lead sphere with mass6.80 g so that its net charge is-3.00 Excess electrons are placed on a small lead sphere 10-9 C. (a) Find the number of excess electrons on thesphere.
(b) How many excess electrons are there per lead atom? The atomicnumber of lead is 82, and its atomic mass is 207 g/mol.

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 19:30, kayleegeise

Identical marbles are released from the same height on each of the following four frictionless ramps . compare the speed of the marbles at the end of each ramp. explain your reasoning

Answers: 3

continue

Physics, 22.06.2019 11:00, kylieweeks052704

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

Answers: 1

continue

Physics, 22.06.2019 12:30, mikurrjurdan

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

Answers: 1

continue

Physics, 22.06.2019 13:00, hippocampus

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?

Answers: 3

continue

You know the right answer?

Excess electrons are placed on a small lead sphere with mass6.80 g so that its net charge is-3.00 Ex...