Mathematics, 23.11.2019 00:31 justtryingtopass7

be, mg, ca, sr which of the following about the elements is true?

a. all of them are unreactive metalloids.

b. all of them are hard and dense metals.

c. be and mg are hard and dense metals and ca and sr are unreactive metalloids.

d. be and mg are unreactive metalloids and ca and sr are hard and dense metals.

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be, mg, ca, sr which of the following about the elements is true?

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