1.Which of the following forms only Ionic Bond? 1)Ca 2)C 3)Si 4)P

2.How many atoms of Na are present in 92 a. m.u of it?
a)4 b)5 c)6 d)7​

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

Which of these sequences lists the correct order for the creation of sedimentary rock from sediment? a. deposition, burial, compaction, cementation b. burial, deposition, compaction, cementation c. compaction, deposition, burial, cementation d. cementation, deposition, burial, compaction

What can be found in the ionosphere