12) a neutral atom has two, eight, eight electrons in its first, second, and third energy levels. this information
a) does not tell us about the atomic number of the element
b) does not tell us about the chemical properties of the element
c) does not tell us about the atomic mass of the element
d) does not tell us about the size of the element bloom's taxonomy: application/analysis section: 2.2

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.

Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.