how many carbon atoms are contained in 2.8 g of C2H4? a) 1.2 x 10^23 b) 3.0 x 10^23 c)6.0 x 10 ^23 d) 1.2 x 10^24 e) 6.0 x 10^24

1) this is the structure in the cell nucleus that houses a cell's genetic information

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.