In which orbitals would the valence electrons for selenium (Se) be placed?

s orbital and f orbital

s orbital only

s orbital and p orbital

d orbital only

Why is carbon dioxide bad for the earth?

What is a potential benefit of fuel cell cars?

What is the Definition of "Folded Mountain" in science terms?

A chemical substance composed of atoms of two or more distinct elements chemically bonded to one another is called a

The number 40 in the name calcium-40 represents A. the atomic number B. the number of protons in the atom C. the sum of the protons and neutrons D. none of these

For the baeyer-villiger oxidation of cyclohexyl methyl ketone

What will happen if the density of an object is less than the density of water?

Which cannot be separated into simpler substances? compound element solution mixture

What jobs involve chesmistry

Think about a neutral magnesium atom. Then think of a magnesium ion with a 2+charge. How are these two alike? How are they different? Be sure to use the terms proton, neutron, and electron in your answer.