Which characteristic of the elements increases as you move across a period from left to right?
A. Year discovered
O B. Metallic nature
O C. Magnetic attraction
D. Atomic number

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.