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Subatomic Particles

Q. if you had equal masses of substances in the following pairs of compounds, which of the two would contain the greater number of ions? (a) NaBr or KCl (b) NaCl or MgCl2 (c) CrCl3 or Na2S

Solved • May 4, 2020

Subatomic Particles

Q. Which of the following are repulsive forces that arise when two H atoms approach each other? (Select all that apply.)

Solved • Apr 24, 2020

Subatomic Particles

Q. Watch the animation. Which of the following are attractive forces that arise when two H atoms approach each other? (Select all that apply.)

Solved • Apr 24, 2020

Subatomic Particles

Q. Calculate the total mass of the protons and electrons in 19-F. Use 1.007825 amu as the mass of 1-H (mass of a proton and an electron). Express your answer in atomic mass units to 6 significant figures.

Solved • Mar 17, 2020

Subatomic Particles

Q. Calculate the total mass of the neutrons in 19-F. Use 1.008665 amu as the mass of 1-n (mass of a neutron). Express your answer in atomic mass units to 7 significant figures.

Solved • Mar 15, 2020

Subatomic Particles

Q. Calculate the total mass of the protons and electrons in 19-F. Use 1.007825 amu as the mass of 1-H (mass of a proton and an electron). Express your answer in atomic mass units to 6 significant figures.

Solved • Mar 15, 2020

Subatomic Particles

Q. 7. Give the name and symbols for two ions that are isoelectronic with neon.

Solved • Feb 28, 2020