77. interpreting data given the following data about
an atom's ionization energies, predict its valence elec-
tron configuration. explain your reasoning.
lonization data
ionization
ionization energy (kj/mol)
first
734
second
1850
third
16 432

Si una estrella no tiene paralaje medible, ¿qué puedes inferir?

Embryos of different species look very similar, which shows that the organisms share a ancestor.

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)