Density, according to the material, changes as you move down the periodic table in which way?

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Multiple Choice

Density, according to the material, changes as you move down the periodic table in which way?

Explanation:
Density is how much mass fits in a given volume. In solids, especially metals, atoms stack in a fairly tight lattice. As you move down a group, atoms become heavier (more protons and neutrons) while their overall packing volume doesn’t increase enough to offset that added mass. So the mass per unit volume grows, and density increases. This is a general trend for metals at a given temperature, though there are exceptions among nonmetals and noble gases, and density can change with temperature.

Density is how much mass fits in a given volume. In solids, especially metals, atoms stack in a fairly tight lattice. As you move down a group, atoms become heavier (more protons and neutrons) while their overall packing volume doesn’t increase enough to offset that added mass. So the mass per unit volume grows, and density increases. This is a general trend for metals at a given temperature, though there are exceptions among nonmetals and noble gases, and density can change with temperature.

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