/// 5TH GRADE SCIENCE /// Henry is in the community investigating sources of chemical energy for his science experiment. Select the best examples of chemical energy Henry can use.

A gas station and people playing hopscotch
A squirrel eating acorns and a fire burning
Someone reading a book and eating a sandwich
Someone sliding down the slide and someone drinking water

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution

According to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? view available hint(s) according to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? trigonal bipyramidal tetrahedral square planar determination of electron geometry requires information on whether the electron groups are lone pairs or bonding groups.