Objects have a tendency to resist changing their motion. This property is called: *
10 points
Mass
Inertia
Density
Momentum

Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=

Properties seen when one one substance changes to another are known as properties

Group of elements with the same number of valence electrons