Looking at the past two questions, how many significant figures does the value displayed on the scale and the volume measurement have? Scale: 3
Graduated Cylinder: 4

Scale: 4

Graduated Cylinder: 3

Scale: 3
Graduated Cylinder: 3

Scale: 4
Graduated Cylinder: 4

The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products