Yr 12 chem so far

What is the charge of a sulfate ion?

• 2+

• 1+

• -1

• -2

What is the correct formula for a phosphate ion?

• PO₄

• PO₃

• PO₄^3-

• PO_3^4-

Which one is a spectator ion in the following reaction: NaOH + HCl --> NaCl + H₂O

• Na_⁺

• Na²⁺

• Cl^2-

• H⁺

What do you have in the x axis in a mass spectrum?

• Abundance

• Relative abundance

• Mass

• Ratio of mass : charge

What is this equation representing?

X(g) + H⁺ --> XH⁺(g)

• Electron impact

• First Ionisation Energy

• Electrospray Ionisation

• Volatile Ionisation

What is the correct chemical formula for ammonium ions?

• NH₃

• NH₃⁺

• NH₄⁺

• NH₄^-

What is the correct equation for the third ionisation energy of aluminium?

• Al --> Al⁺ + e-

• Al --> Al⁺³ + e-

• Al⁺ --> Al⁺ + e-

• Al⁺² --> Al⁺³ + e-

Which of these factors is not relevant when comparing the ionisation energy of different elements?

• Amount of protons in nucleus

• Amount of neutrons in nucleus

• Amount of shells of electrons

• Type of orbitals present

Which element has a higher first ionisation energy?

• Na

• Mg

• P

• Cl

Which element has a higher first ionisation energy?

• Be

• Mg

• Ca

• Ba