ib-diploma – Page 4

M25-CHEM-HL-TZ3-P1A-Q11

Which answer shows the correct order of metallic bond strength from strongest to weakest?

Which of these elements is in the f-block of the periodic table?

What is the electron configuration of an atom of Cu?

Which pair of elements would react with each other the least vigorously?

What is the formal charge of the nitrogen atom in \( NO_3^- \)?

What is the hybridization of carbon and oxygen in \( CO_3^{2-} \)?

What is the relative atomic mass of an element with a mass spectrum showing a peak at \( m/z =

What is the maximum number of electrons that can occupy the fourth main energy level of an atom?

What is the formula of the compound formed by aluminium ions and sulfate(VI) ions?

A substance has the following properties: Melting point: \( 714^{\circ}C \) Electrical conductivity: poor when solid, good when molten What