Compound that occur widely in glass,
cement and ceramics are:
IF
A. silicated
B....
Answers: 2
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Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial
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Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one
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Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.
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Chemistry, 22.06.2019 17:10
In which block of the periodic table is uranium (u) found? s blockd blockp blockf block
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