Tutorial 2.3: Part 2

The Modern Atom

What is the atomic number? $$^{A}_{Z}X$$

$$^{A}_{11}X$$

What is the mass number? $$^{A}_{Z}X$$

$$^{23}_{11}X$$

What is the charge?

$$^{23}_{11}X^{+}$$

What is the complete symbol for the ion?

$$^{23}_{11}Na^{+}$$

What is the atomic number? $$^{A}_{Z}X$$

$$^{A}_{17}X$$

What is the mass number? $$^{A}_{Z}X$$

$$^{37}_{17}X$$

What is the charge?

$$^{37}_{17}X^{-}$$

What is the complete symbol for the ion?

$$^{37}_{17}Cl^{-}$$