Ben made a model of Earth orbiting the Sun by tying a string to a tennis ball and spinning it around his head. The picture shows the model as viewed from above. Part A. Identify what each object - (1) the string, (2) the tennis ball, and (3) Ben - represents in the model.

Part B. Use the model to describe the role of gravity in the motion of Earth around the Sun. Be sure to include why each object is appropriate for its role within the model.

the correct answer is boyle

the seeing the electronic configuration we can say that the element is fluorine.

fluorine is the most electronegative element in the periodic table.

but by only seeing the configuration we cannot say about its reactivity because we don't know if its configuration after excitation or by addition of electrons.

but if not then, it is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions. as the most electronegative element, it is extremely reactive: almost all other elements, including some noble gases, form compounds with fluorine.

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