How many protons, electrons, and neutrons does an neutral atom of Nd-140 have? • 60 protons, 60 electrons, 80 neutrons
• 80 electrons, 60 protons, 60 neutrons
• 140 neutrons, 80 protons, 60 electrons
• 75 neutrons, 50 protons, 50 electrons

The peak wavelength for the blackbody curve of a star is in the uv range. assuming the radiation from this star can reach earth, would you be able to see it?

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?