What percent of Sodium Chloride is made up of just Chlorine? Na= 22.99 g/mol

Cl=35.45 g/mol

Which statement accurately describes the rock layers? layer 8 is older than layer 1. layer 3 is younger than layer 6. layer 4 and layer 10 are the same relative age. layer 2 and layer 9 are the same relative age.

For each of the following types of reactions, write a general reaction formula in the symbolic form—for example, a + b → ab. single-displacement double-displacement synthesis decomposition

Gymnast always perform on padded mats. how does the mats protect the gymnast