What is the symbol of the element with the following ground-state electron configurations? (a) [ar]4s3d104p! : (b) [kr]55-4d: (c) [ar]45! 3dº: (d) (rn]75-6d! a

Which description best characterizes the motion of particles in a solid?

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.