Atomic Structure + Periodic Table

Elements in group 13 would have ____ valence electrons

The period number is equal to -

Most of the mass of an atom is found

What is the first step to drawing a Bohr model?

Substances that are brittle, dull, and poor conductors are

The atomic number is determined by the number of ________

Which of the following particles is located outside the nucleus and has a negative charge?

The group number is equal to the -

Substances that are shiny, good conductors, and malleable are

Elements in period 4 all have -

When an element changes and a new substance is made, the element had a _____________ change.