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2 years ago
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My birthday elements are Beryllium (bottom) and Magnesium (top).

One physical characteristic of Beryllium is that it is a gunmetal looking color.
One physical characteristic of magnesium is that it is also a gunmetal color.

One chemical characteristic of Be is that it is in 30 different elements. Another is that it can cause pneumonia
One chemical characteristic of Mg is that it takes the place of hydrogen in boiling water. Another is that it is the main ingredient in Aluminium alloys.