He diagram Shows What is the R, value of substance S under these conditions?
[
1]
2 cm
final solvent front
2 cm
os
3 cm
start line
1 cm
А
0.43
B
0.50
C 0.60
D 0.67
D
C
A
[1]

What are the 4 phases of matter in order of increasing engery content?

May someone me with these science questions

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.