What would happen to this element in Question 2 if we removed protons?

While models can be useful, what is true of every model?

Which family (or group) tends to form +2 cations?

Explain your response to Question 24 of why this is using 2 examples from class.

Which of these describes the electron configuration of titanium?

Phosphorus has _______ valence electrons.

As with energy conversions on earth, energy conversions on Mars will be no different.  Hence, with every energy transformation the [answer1] of energy stays the same, but the [answer2] decreases.

The 6f sublevel contains how many orbitals?

Which of these represents an atom with 9 protons and 10 electrons?

An atom lost 2 valence electrons (e-) resulting in a configuration of 1s22s22p8.  The identity of this ion is _______.