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?

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