Use the periodic table to determine the electron configuration for zinc (Zn) and technetium (Tc) in noble-gas notation.

List the two type of transporst that the cell in orde to transport molecules acroos the membrane

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils