9. Which of the following statement is incorrect? (A) Across a period from Sc to Cu, the densities increase with
increasing atomic number
(B) The noble character of transitions metals is due to high
ionization energies, high enthalpies of solvation and higher
thalpies of sublimation
(C) on going down a group from 3d to 6d series, the stability
of higher oxidation state increases with stability of high
oxidation state increases with increasing atomic numbers
​

Choose all the answers that apply. ionic compounds dissolve easily in water do not dissolve in water have low melting points have high melting points conduct electricity when melted

[ou.03jthe pictures below show the wavelengths and intensities of electromagnetic radiations emitted by three stars, star 1, star 2, and star 3. intensity intensity- intensity- 1000 3500 6000 8500 11000 wavelength (a) star 1 1000 3500 6000 8500 11000 1000 3500 6000 8500 11000 wavelength (a) wavelength (a) star 2 star 3 which of these statements is correct about the color of the three stars? star 2 is white in color o star 2 is yellow in color star 1 and star 3 are yellow in color star 1 and star 3 are white in color

The velocity of any object depends upon a) the location of the object. b) the location of the observer. c) which measurement tools are used. d) the relative motion of the observer.