It is because all these three elements contain ionic properties and they have only one element in their outermost shell
Answer:
He developed the theories of gravitation in 1666, when he was only 23 years old. Some twenty years later, in 1686, he presented his three laws of motion in the "Principia Mathematica Philosophiae Naturalis." The laws are shown above, and the application of these laws to aerodynamics are given on separate slides.
Explanation:
The albino gene is recessive meaning that both of the parents have to be carriers for this to occur. Since the offspring is an albino it means that the parents both had the recessive gene for albanism, and their offspring had a 1 in 4 chances of being an albinoe<span />