Interpreting Chemical Symbols- Phet

Build an atom with a positive net charge, then complete the table below, and draw the atom. In the overall net charge column, indicate the charge with the number.

Build an atom with a negative net charge, then complete the table below, and draw the atom. In the overall net charge column, indicate the charge with the number.

Build an atom with a neutral net charge, then complete the table below, and draw the atom. In the overall net charge column, indicate the charge.

When the number of protons changes, what else changes? Choose all that apply.

• Atomic number

• The element

• Mass number

• Electrons