question 1\ncomplete the table:\n| symbol | name |\n| ---- | ---- |\n| p3- | |\n| ni3+ | |\n| rb+ | |

Explanation:

Step1: Identify $p^{3 -}$

$p$ is the symbol for phosphorus. A 3 - charge indicates it is an anion. So it is the phosphide ion.

Step2: Identify $Ni^{3+}$

$Ni$ is the symbol for nickel. A 3+ charge indicates it is a cation. So it is the nickel(III) ion.

Step3: Identify $Rb^{+}$

$Rb$ is the symbol for rubidium. A 1+ charge indicates it is a cation. So it is the rubidium ion.

Answer:

Symbol	Name
$p^{3 -}$	Phosphide ion
$Ni^{3+}$	Nickel(III) ion
$Rb^{+}$	Rubidium ion