Number of Protons
Number of
Neutrons
Atomic
Number
Mass
Number
Element
(symbol)
A
7
B.
15
С
D
E
26
56
F
Using the periodic table, complete the table to describe each atom. Type in your answers.
A
00
С
D

When the earth was formed and cooled, why did nickel and iron end up in the center of the earth while basalt and granite ended up in the outer layers

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3 -> a2cr(no3)3 + a3ag2so4