Which solution forms when phosphorus(V) oxide, P₄O₁₀, reacts with water?

Which property increases down Group 1, the alkali metals?

A.     Atomic radius

B.     Electronegativity

C.     First ionization energy

D.     Melting point

Which trend is correct, going down group 1?

A.  Melting point increases

B.  Reactivity decreases

C.  First ionisation energy increases

D.  Electronegativity decreases

Which describes an atom of bismuth, Bi (Z = 83)?

Which is a d-block element?

A.  Ca

B.  Cf

C.  C$\text{l}$

D.  Co

Which of the following would have the same numerical value for all elements in the same period?

A. Highest energy levels occupied

B. Energy sub-levels occupied

C. Orbitals occupied

D. Valence electrons

Which species has the same electron configuration as argon?

A.  Br⁻

B.  Ca²⁺

C.  Al³⁺

D.  Si⁴⁺

Which oxide will dissolve in water to give the solution with the lowest pH?

A.  ${\mathrm{P}}_4{\mathrm{O}}_{10}$

B.  ${\mathrm{SiO}}_2$

C.  ${\mathrm{Al}}_2{\mathrm{O}}_3$

D.  $\mathrm{MgO}$

Which is an f-block element?

A. Sc

B. Sm

C. Sn

D. Sr

Which element is in the p-block?

A.     Pb

B.     Pm

C.     Pt

D.     Pu

Which metal has the strongest metallic bond?

A.     Li

B.     Na

C.     K

D.     Rb

Three elements, X, Y, and Z are in the same period of the periodic table. The relative sizes of their atoms are represented by the diagram.

Which general trends are correct?

Which oxide, when added to water, produces the solution with the highest pH?

A.     Na₂O

B.     SO₃

C.     MgO

D.     CO₂

Which trends are correct across period 3 (from Na to Cl)?

I.   Atomic radius decreases
II.  Melting point increases
III. First ionization energy increases

A. I and II only

B. I and III only

C. II and III only

D. I, II and III

Which equation represents the first electron affinity of chlorine? 

A. Cl(g)+e^-→ Cl^-(g)
B. $\frac{1}{2}$Cl₂(g) + e^- → Cl^-(g) 
C. Cl⁺(g) + e^- → Cl(g) 
D. Cl(g) → Cl⁺(g) + e^-

Which property shows a general increase from left to right across period 2, Li to F?

A.  Melting point

B.  Electronegativity

C.  Ionic radius

D.  Electrical conductivity

Which element is a lanthanide?

A.     Hf

B.     Tb

C.     U

D.     Y

Which of the following shows a general increase across period 3 from $\mathrm{Na}$ to $\mathrm{Cl}$?

A.  Ionic radius

B.  Atomic radius

C.  Ionization energy

D.  Melting point

Which describes the oxide of sodium, Na₂O?

Which combination describes the acid–base nature of aluminium and phosphorus oxides?

Which species will require the least energy for the removal of one electron?

A.   Na⁺

B.   Mg⁺

C.   Al²⁺

D.   C³⁺

Which gases are acidic?

I.   nitrogen dioxide
II.  carbon dioxide
III. sulfur dioxide

A.  I and II only

B.  I and III only

C.  II and III only

D.  I, II and III

What are typical characteristics of metals?

Which of the following is the electron configuration of a metallic element?

A.  [Ne] 3s² 3p²

B.  [Ne] 3s² 3p⁴

C.  [Ne] 3s² 3p⁶ 3d³ 4s²

D.  [Ne] 3s² 3p⁶ 3d¹⁰ 4s² 4p⁵

Which oxide dissolves in water to give a solution with a pH below 7?

A. MgO

B. Li₂O

C. CaO

D. P₄O₁₀

Which property increases down group 1?

A.  atomic radius

B.  electronegativity

C.  first ionization energy

D.  melting point

Which statement is correct?

A.     Atomic radius decreases down group 17.

B.     First ionization energy decreases down group 1.

C.     Atomic radius increases across period 3 from Na to Cl.

D.     First ionization energy decreases across period 3 from Na to Cl.

How do the following properties change down Group 17 of the periodic table?

Which oxides produce an acidic solution when added to water?

I.    Al₂O₃ and SiO₂

II.   P₄O₆ and P₄O₁₀

III.  NO₂ and SO₂

A.   I and II only

B.   I and III only

C.   II and III only

D.   I, II and III

Which element has the highest metallic character in Group 14?

A.  C

B.  Si

C.  Ge

D.  Sn

Which element is found in the 4th group, 6th period of the periodic table?

A. Selenium

B. Lead

C. Chromium

D. Hafnium

Which increase across a period from left to right?