need help on this! Your friend, who has been studying asteroids, has encountered an element they cannot identify. This element has several unique characteristics. It is a brittle solid at room temperature and not very reactive. After experimenting on the element, they were able to determine that the atomic mass was at least 30 and no higher than 33. The element also has valence electrons in the third energy level. Looking at the periodic table below, answer the following questions in CER format: What could be the identity of this element? There is more than one correct answer.

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Mass is the amount of matter in an object.  weight is the measurement of the pull of gravity on an object.  say for example, you travel to the moon which has a different gravitational field compared to the gravitational field of earth. (gravitational fields: earth = 1, moon = 0.165)  now when you are on the moon, the pull of gravity on you is different than on the earth. and as weight is the measurement of the pull of gravity on an object, that means yes, your weight can and will change on the moon.  however, on the moon, on earth or even on jupiter, the amount of mass inside of you remains the same. meaning your physical mass remains constant.  in conclusion it is possible for your weight to change as your mass remains constant.