25. Which of the electron configurations represents an element in the same Group as silicon? a) 1s2 2s22p6 352 3p6 452 3d 10 4p6 552 4010 5p2
b) 1s2 2s22p63s2 3p6 4s2 3d2
c) 152 252 2p6 352 3p6
d) 1s2 2s22p4

An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

Adirect relationship can be represented by: a curve a pie chart

What changes occur in the reaction indicated by the equation? check all that apply. the hydrogen nucleus loses protons. the oxygen nucleus gains protons. the bond in h2 is broken, and new bonds are formed between hydrogen and oxygen atoms. each electron associated with a hydrogen atom is shared with an oxygen atom.