Unit 4 Quiz-Periodic Table

Which group contains the most active metals? A) 1 B) 11 C) 17 D) 7

A) 1

All the elements in Period three have a total of two electrons in the: A) 2s sublevel B) 3s sublevel C) 2p sublevel D) 3p sublevel

A) 2s sublevel

Which element is considered malleable? A) Gold B) Hydrogen C) Sulfur D) Radon

A) Gold

In a chemical reaction, which element forms an ion with a smaller radius than its atom? A) Mg B) Br C) O D) Ne

A) Mg

Which is an alkaline earth metal? A) Mg B) Zn C) Li D) Pb

A) Mg

Which molecule is relatively inactive and contains a triple bond? A) N,2 B) O,2 C) Cl,2 D) H,2

A) N,2

Which of the following noble gases has the lowest normal boiling point? A) Ne B) Ar C) Kr D) Xe

A) Ne

Which element forms a colored ion in solution? A) Ni B) Li C) K D) Mg

A) Ni

Ozone is an allotropic form of the element: A) Oxygen B) Phosphorus C) Sulfur D) Carbon

A) Oxygen

The element in Period three with the most metallic character is: A) sodium B) aluminum C) silicon D) phosphorus

A) Sodium

Compared to the covalent atomic radius of a sodium atom, covalent atomic radius of a magnesium atom is smaller. The smaller radius is primarily a result of the magnesium atom having: A) a larger nuclear charge B) a smaller nuclear charge C) more principal energy levels D) fewer principal energy levels

A) a larger nuclear charge

Beryllium is classified as: A) an alkaline earth metal B) an alkali metal C) a transition element D) a noble gas

A) an alkaline earth metal

All elements in Period 3 are similar in that they all have the same number of: A) occupied principal energy levels B) protons in the nucleus C) 3P electrons D) valence electrons

A) occupied principal energy levels

Which is the atomic number of an alkali metal? A) 10 B) 11 C) 12 D) 13

B) 11

In which group do the elements usually form chloride which have the general formula MCl,2? A) 1 B) 2 C) 17 D) 18

B) 2

Which Period contains three elements that commonly exist as diatomic molecules? A) 1 B) 2 C) 3 D) 4

B) 2

Which element in group 15 has the most metallic character? A) Nitrogen B) Bismuth C) Arsenic D) Phosphorus

B) Bismuth

Which is the most active nonmetal in the periodic table of the elements? A) Na B) F C) I D) Cl

B) F

Which of the following elements is likely to form a compound with Radon? A) Iodine B) Fluorine C) Sodium D) Calcium

B) Fluorine

Elements that have properties of both metals and nonmetals are called: A) alkali metals B) metalloids C) transition elements D) halogens

B) Metalloids

In the ground state, the atoms of which element have an incomplete 3rd principal energy level? A) Zn B) Mn C) Kr D) Sr

B) Mn

If X represents an element of group 1, The formula of its oxide would be: A) XO B) X,2 O C) XO,2 D)X,2 O,3

B) X,2 O

At STP, which element is a solid? A) hydrogen B) carbon C) nitrogen D) argon

B) carbon

Which are 2 properties of most nonmetals? A) low ionization energy and good electrical conductivity B) high ionization energy and poor electrical conductivity C) high ionization energy and good electrical conductivity D) low ionization energy and poor electrical conductivity

B) high ionization energy and poor electrical conductivity

The reactivity of the metals in Groups 1 and 2 generally increase with: A) increased ionization energy B) increased atomic radius C) decreased nuclear charge D) decreased mass

B) increased atomic radius

Given the same conditions, which of the following group 17 elements has the least tendency to gain electrons? A) fluorine B) iodine C) bromine D) chlorine

B) iodine

A reason why fluorine has a higher ionization energy than oxygen is that fluorine has a: A) smaller nuclear charge B) larger nuclear charge C) smaller number of electrons D) larger number of neutrons

B) larger nuclear charge

The elements in Period 2 are similar to each other in that each element has the same: A) number of valence electrons B) number of principal energy levels C) atomic radius D) atomic mass

B) number of principal energy levels

In which group do all elements have the same number of electrons in the outermost principal energy level? A) 5 B) 6 C) 13 D) 18

C) 13

From which sublevel or sublevels can an atom of Fe lose electrons when forming the Fe^+3 ion? A) 4d only B) 3p only C) 3d and 4s D) 3s and 4d

C) 3d and 4s

What is the total number of electrons found in the valence shell of a halogen in the ground state? A) 1 B) 2 C) 7 D) 12

C) 7

The element found in Group 13 and Period 2 is: A) Be B) Mg C) B D) Al

C) B

Element M has an electronegativity of less than 1.2 and reacts with bromine to form the compound MBr,2. Element M could be: A) Al B) Na C) Ca D) K

C) Ca

Which is the symbol of an alkaline earth element? A) Na B) Ne C) Ca D) Ce

C) Ca

The water solution of a compound is green. The compound could be: A) Na,2 SO,4 B) K,2 SO,4 C) FeSO,4 D) MgSO,4

C) FeSO,4

Which element is a member of the Halogen family? A) K B) B C) I D) S

C) I

The pair of elements with the most similar chemical properties are: A) Mg and S B) Ca and Br C) Mg and Ca D) S and Ar

C) Mg and Ca

Which of the following particles has the smallest radius? A) Na^0 B) K^0 C) Na^+ D) K^+

C) Na^+

Which element in group 16 has no stable isotopes? A) O B) S C) Po D) Te

C) Po

An aqueous solution of XCl,2 contains colored ions. Element X is likely: A) an alkaline earth metal B) a halogen C) a transition metal D) an alkali metal

C) a transition metal

Which element exists as monatomic molecules at STP? A) hydrogen B) nitrogen C) argon D) chlorine

C) argon

Which element is a halogen? A) iron B) nitrogen C) iodine D) neon

C) iodine

In Period 2, as the elements are considered from left to right, there is a decrease in: A) ionization energy B) atomic mass C) metallic character D) nonmetallic character

C) metallic character

The elements of Period 2 have the same: A) atomic mass B) atomic number C) number of occupied principal energy levels D) number of occupied sublevels

C) number of occupied principal energy levels

The following atoms will lose an electron most readily: A) potassium B) calcium C) rubidium D) strontium

C) rubidium

Which of the following ions has the smallest radius? A) Na^+ B) K^+ C)Mg^+2 D) Ca^+2

C)Mg^+2

Alkali metals, alkaline earth metals, and halogens are elements found respectively in groups: A) 1, 2 and 18 B) 2, 13 and 18 C) 1, 2 and 14 D) 1, 2 and 17

D) 1, 2 and 17

An element that is liquid at STP is in Group: A) 1 B) 2 C) 11 D) 12

D) 12

In which group do the elements usually form oxides which have the general formula XO,2? A) 1 B) 2 C) 13 D) 14

D) 14

Which group contains elements with a total of four electrons in the outermost principal energy level? A) 1 B) 18 C) 16 D) 14

D) 14

Which group contains the atom with the highest first ionization energy? A) 1 B) 2 C) 17 D) 18

D) 18

In Period 2, the number of elements that are gases at STP is: A) 1 B) 2 C) 3 D) 4

D) 4

The alkaline earth element having the largest atomic radius is found in period: A) 1 B) 2 C) 6 D) 7

D) 7

A chloride dissolves in water to form a colored solution. The chloride could be: A) HCl B) KCl C) CaCl,2 D) CuCl,2

D) CuCl,2

Which element exhibits a crystalline structure at STP? A) Fluorine B) Chlorine C) Bromine D) Iodine

D) Iodine

Which element in Period 2 is the most active metal? A) neon B) beryllium C) fluorine D) lithium

D) Lithium

The S^-2 ion differs from the S^0 atom in that the S^-2 ion has a: A) smaller radius, fewer electrons B) smaller radius, more electrons C) larger radius, fewer electrons D) larger radius, more electrons

D) larger radius, more electrons

Atoms of metallic elements tend to: A) gain electrons and form negative ions B) gain electrons and form positive ions C) lose electrons and form negative ions D) lose electrons and form positive ions

D) lose electrons and form positive ions

As the elements are considered from the top to the bottom of group 15, which sequence of properties occurs? A) metal-metalloid-nonmetal B) metal-nonmetal-metalloid C) metalloid-metal-nonmetal D) nonmetal-metalloid-metal

D) nonmetal-metalloid-metal

As the elements in group 1 are considered in order of increasing atomic number, the atomic radius of each successive element increases. This is primarily due to an increase in the number of: A) neutrons in the nucleus B) electrons in the outermost shell C) unpaired electrons D) principal energy levels

D) principle energy levels