The Periodic Table

Takes into account various isotopes of an atom
1. Atomic mass
2. Atomic number
3. Atomic radius
4. Electronegativity
5. Ionization potential
The average distance between the nucleus and the outermost electron
1. Atomic radius
2. Atomic number
3. Atomic mass
4. Electronegativity
Number of protons in an element
1. Atomic number
2. Atomic radius
3. Electronegativity
4. Ionization potential
5. Atomic mass
Energy required to remove an electron
1. Ionization potential
2. Atomic mass
3. Atomic number
4. Atomic radius
5. Electronegativity
Has a filled 4p prbital
1. Rb
2. Na
3. Cl⁻
4. Fe
5. Ca²⁺
Its electronic configuration is
1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁶ 4s²
1. Fe
2. Cl⁻
3. Rb
4. Ca⁺
Cannot be further broken down by chemical means
1. Element
2. Cation
3. Inert Gas
4. Crystal
5. Anion
Ionic species with a positive charge
1. Cation
2. Inert Gas
3. Anion
4. Crystal
5. Element
Defined by the number of protons
1. Element
2. Cation
3. Inert Gas
4. Crystal
5. Anion
Which properties decrease in value when descending group 1?
1. Atomic radius
2. Ionisation energy
3. Electronegativity
1. 2 and 3 only
2. 1 and 2 only
3. 1 and 3 only
4. 1, 2 and 3
The ionization energies of three consecutive elements in the periodic table are 1680, 2080 and 494 kJ mol⁻¹ respectively.
Which of the following shows the elements with these values?
1. F, Ne, Na
2. O, F, Ne
3. Ne, Na, Mg
4. Na, Mg, Al
Which comparison of radii of atoms and ions is correct?
1. Cl⁻ > Cl
2. H⁺ > H⁻
3. Na⁺ > Na
4. Mg²⁺ > Mg⁺
Which trend is correct when the elements are considered from left to right across period 3?
1. The bonding of the chlorides changes from ionic to covalent.
2. The acidic character of the oxides decreases.
3. The electrical conductivity of the elements increases.
4. Electronegativity decreases.
Which species has the same electron configuration as a Ca²⁺ ion?
1. Ar atom
2. K atom
3. Al³⁺ ion
4. Br⁻ ion
A transition metal ion X²⁺ has the electronic configuration [Ar] 3d⁹. What is the atomic number of the
element?
1. 29
2. 27
3. 28
4. 30
How many orbitals are there in the n = 3 level of an atom?
1. 9
2. 7
3. 5
4. 3
When Na, K, and Mg are arranged in increasing order of atomic radius (smallest first), which order is correct?
1. Mg, Na, K
2. K, Mg, Na
3. Na, Mg, K
4. Na, K, Mg
Which of these elements is a transition metal?
1. Cr
2. Ca
3. Ge
4. Se
Which of the following properties are typical of d-block elements?
  1. They generally form more than one type of ion
  2. They display catalytic behaviour
  3. They form colourless compounds
1. 1 and 2 only
2. 1 and 3 only
3. 2 and 3 only
4. 1, 2 and 3
How many neutrons are there in the ion O₂⁻?
1. 16
2. 18
3. 10
4. 20
What is the purpose of the beam of high energy electrons used in a mass spectrometer?
1. To ionize atoms
2. To accelerate ions
3. To deflect ions
4. To detect ions
Which electrons are lost by an atom of iron when it forms the Fe³⁺ ion?
1. Two s orbital electrons and one d orbital electron
2. One s orbital electron and two d orbital electrons
3. Three s orbital electrons
4. Three d orbital electrons
What increases in equal steps of one from left to right in the periodic table for the elements lithium to neon?
1. The number of electrons in the atom
2. The number of occupied electron energy levels
3. The number of neutrons in the most common isotope
4. The atomic mass
Which two elements react most vigorously with each other?
1. Chlorine and potassium
2. Chlorine and lithium
3. Iodine and lithium
4. Iodine and potassium
What is the total number of p orbitals containing one or more electrons in germanium (atomic number 32)?
1. 8
2. 2
3. 3
4. 5
Based on electronegativity values, which bond is the most polar?
1. C-O
2. B-C
3. N-O
4. O-F
Which one of the following oxygen ions would undergo the greatest deflection in a mass spectrometer?
1. O-16²⁺
2. O-16⁺
3. O-17⁺
4. O-18²⁺
Rubidium is an element in the same group of the periodic table as lithium and sodium.
It is likely to be a metal which has a
1. low melting point and reacts vigorously with water.
2. low melting point and reacts slowly with water.
3. high melting point and reacts vigorously with water.
4. high melting point and reacts slowly with water.
What is the correct sequence for the processes occurring in a mass spectrometer?
1. Vaporization, ionization, acceleration, deflection
2. Vaporization, acceleration, ionization, deflection
3. Ionization, vaporization, acceleration, deflection
4. Ionization, vaporization, deflection, acceleration
Which pair would react together most vigorously?
1. K and Cl₂
2. Li and Cl₂
3. Li and Br₂
4. K and Br₂
Which properties of period 3 elements increase from sodium to argon? 1. Nuclear charge 2. Atomic radius 3. Electronegativity
1. 1 and 3 only
2. 1 and 2 only
3. 2 and 3 only
4. 1, 2 and 3
Which one of the following ions does not have the same electronic configuration as the others?
(Assume all ions are in their lowest energy state.)
1. K⁺
2. F^-
3. Mg²⁺
4. O^2-

The Periodic Table

Multiple Choice Quiz