B. All atoms of silver have the same atomic number but different numbers of neutrons in the nucleus.
Roman numerals are used in naming ionic compounds when the metal cation forms more than one ion. The metals that form more than one ion are the transition metals, although not all of them do this.
SnBr2 - Tin(II) Bromide
1.2 Cups to 0.2839 Liters (I think if I did my math right)
Solid, ductile (can conduct heat), malleable (can be shaped differently).
In a study of the effect of lawn fertilizer on the health of a backyard pond, biologists grow too colonies of duckweed in a large flask to represent pond ecosystems.