Deck 2: Atoms and the Periodic Table

Question 1

Which element is not an alkali metal?

A)Li
B)Kr
C)Rb
D)Na
E)All of the above elements are alkali metals.

Answer 1

B

Question 2

The element symbol for sulfur is

A)S
B)Su
C)Sf
D)Sl

Answer 2

A

Question 3

Which atom has the largest atomic radius?

A)K
B)Ga
C)Br
D)Rb

Answer 3

D

Question 4

Which element is a metalloid?

A)B
B)C
C)Ar
D)Al

Question 5

Which element is a nonmetal?

A)K
B)Co
C)Br
D)Al

Question 6

The element symbol for manganese is

A)M
B)Ma
C)Mg
D)Mn

Question 7

What is the maximum number of electrons that can occupy the third (n=3)shell?

A)2
B)3
C)6
D)8
E)18

Question 8

Which statement is not part of the modern description of the electronic structure of an atom?

A)Electrons occupy discrete energy levels.
B)Electrons move freely in space.
C)The energy of electrons is quantized.
D)The energy of electrons is restricted to specific values.

Question 9

Silicon has three naturally occurring isotopes: Si-28, Si-29 and Si-30. If the average atomic mass of silicon is 28.09, which isotope has the highest isotopic abundance?

A)Si-28
B)Si-29
C)Si-30
D)All isotopes have the same isotopic abundance.

Question 10

Which element is not an alkali metal?

A)Li
B)K
C)Rb
D)H
E)All of the above elements are alkali metals.

Question 11

Which element is a metal?

A)Li
B)Si
C)Cl
D)Ar
E)More than one of the elements above is a metal.

Question 12

Which element is a transition metal in period 4?

A)K
B)Hf
C)Sn
D)Sc

Question 13

Which atom has the smallest atomic radius?

A)K
B)Ga
C)Br
D)Rb

Question 14

What is the mass number of the isotope with the symbol ?

A)17
B)18
C)35.45
D)37

Question 15

What is the atomic number of the isotope with the symbol ?

A)17
B)18
C)35.45
D)37

Question 16

How many protons are in the isotope with the symbol ?

A)17
B)18
C)35.45
D)37

Question 17

The chemical reactivity of an element is determined by which of the following?

A)the number of protons in an atom of the element
B)the number of valence electrons in an atom of the element
C)the number of neutrons in an atom of the element
D)the number of protons and neutrons in an atom of the element

Question 18

Which of the following properly represents the order of orbital filling based on the relative energy of the orbitals?

A)1s, 2s, 2p, 3s, 3p, 3d, 4s, 4p
B)1s, 2s, 3s, 4s, 2p, 3p, 4p, 3d
C)1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p
D)1s, 2s, 2p, 3s, 3d, 3p, 4s, 4p

Question 19

Which element is a noble gas?

A)H
B)Ne
C)Pr
D)Ra
E)More than one of the elements listed is a noble gas.

Question 20

The active ingredient in the drug Fosamax is a compound with the chemical formula C₄H₁₈NNaO₁₀P₂. Which statement concerning the chemical formula of this compound is false?

A)Atoms of six different elements make up this compound.
B)Carbon, hydrogen, nitrogen, sodium, oxygen, and potassium atoms are present in this compound.
C)The ratio of carbon atoms to oxygen atoms is 4:10.
D)There is only one atom of nitrogen present in this compound.

Question 21

The elements in a column of the periodic table are collectively referred to as

A)metals
B)a period
C)a group
D)a series
E)metalloids

Question 22

Which isotope is not possible?

A)
B)
C)
D)
E)More than one of the above isotopes is not possible.

Question 23

Which element is most likely to be a good conductor of electricity?

A)Ar
B)N
C)F
D)Ni
E)O

Question 24

How many protons are in the isotope ?

A)238
B)146
C)92
D)330

Question 25

How many neutrons are in the isotope ?

A)238
B)146
C)92
D)330

Question 26

In the diagram below, which highlighted element is an f block element?

A)A
B)B
C)C
D)D
E)E

Question 27

Which statement concerning the elements fluorine, chlorine, bromine, and iodine is incorrect?

A)These elements are all halogens.
B)These elements all have the same valence shell.
C)These elements are all nonmetals.
D)These elements all have the same number of valence electrons.

Question 28

How many electrons are in the isotope ?

A)238
B)146
C)92
D)330

Question 29

What is the symbol for the isotope with A = 31 and Z = 15?

A)
B)
C)
D)

Question 30

The proper electron-dot symbol for aluminum is

A)
B)
C)
D)

Question 31

Which element has the smallest ionization energy?

A)K
B)Ga
C)Br
D)Rb

Question 32

Which element is a d block element?

A)S
B)Ar
C)Ag
D)As
E)None of these elements is a d block element.

Question 33

Which element is an s block element?

A)S
B)Ar
C)He
D)La
E)None of these elements is an s block element.

Question 34

Antimony is a metalloid containing 51 protons that is alloyed with lead and used in car batteries. What is the element symbol for antimony?

A)A
B)An
C)At
D)Sb
E)Cr

Question 35

Which statement describing atoms is false?

A)The number of protons in an atom is referred to as the atomic number of the atom.
B)The total number of protons, neutrons, and electrons in an atom is referred to as the mass number of the atom.
C)Protons and neutrons are located in the nucleus of an atom.
D)Electrons are located in the space outside the nucleus called the electron cloud.

Question 36

Which element is chemically similar to lithium?

A)sulfur
B)magnesium
C)iron
D)lanthanum
E)potassium

Question 37

The electron configuration of chlorine is 1s²2s²2p⁶3s²3p⁵. Which statement about chlorine is incorrect?

A)chlorine has five valence electrons
B)chlorine's valence shell is the third shell
C)chlorine has five electrons in the 3p subshell
D)chlorine has 17 total electrons

Question 38

A sulfur atom has a larger atomic radius than an oxygen atom. Which statement best explains why?

A)Sulfur contains more electrons than oxygen does.
B)Sulfur contains more protons than oxygen does.
C)The valence shell of sulfur is farther away from the nucleus than the valence shell of oxygen is.
D)The larger number of protons in an oxygen atom pulls its electrons closer to the nucleus than a sulfur atom.

Question 39

Which element is chemically similar to chlorine?

A)sulfur
B)calcium
C)oxygen
D)bromine
E)argon

Question 40

An atom of the isotope chlorine-37 consists of how many protons, neutrons, and electrons? (p = proton, n = neutron, e = electron)

A)18 p, 37 n, 18 e
B)17 p, 20 n, 17 e
C)17 p, 20 n, 18 e
D)37 p, 37 n, 17 e
E)37 p, 20 n, 37 e

Question 41

The nucleus contains most of the mass of an atom and is positively charged.

Question 42

Protons and electrons reside in the nucleus of an atom.

Question 43

Oxygen, carbon, hydrogen, and nitrogen are called the building-block elements because they make up the majority of the mass of the human body.

Question 44

A compound is a pure substance formed by chemically combining two or more elements together.

Question 45

The farther a shell is from the nucleus, the larger its volume becomes, and the more electrons it can hold.

Question 46

All atoms of the same element contain the same number of protons.

Question 47

All elements have at least two naturally occurring isotopes.

Question 48

Electrons are negatively charged and have the smallest mass of the three subatomic particles.

Question 49

Fl is the element symbol for fluorine.

Question 50

The element symbol for iron is Fe.

Question 51

The element symbol S represents sodium.

Question 52

All of the elements in group 2A are metals.

Question 53

The mass of a neutron is equal to the mass of a proton plus the mass of an electron.

Question 54

An alloy is a mixture of two or more elements that has metallic properties.

Question 55

Nonmetals have a shiny appearance, and they are generally poor conductors of heat and electricity.

Question 56

The 5s orbital is lower in energy than the 4d orbital.

Question 57

Hydrogen is located in group 1A but it is not considered an alkali metal.

Question 58

Helium is an s block element.

Question 59

The electron-dot symbol for barium is .

Question 60

Zirconium (Zr)is an element classified as a metal. Which property cannot be assumed based on its classification as a metal?

A)Zr has a relatively high density
B)Zr is a trace element in the body
C)Zr is a good conductor of electricity
D)Zr is a shiny solid

Question 61

Radium is a noble gas.

Question 62

Group 6A elements have the general electron configuration of ns²np⁶.

Question 63

When two electrons occupy the same orbital they have paired spins-that is, the spins are opposite in direction.

Question 64

Iodine has smaller ionization energy than chlorine.

Question 65

The electron cloud contains most of the volume of an atom.

Question 66

The atomic weight of an element is the sum of the masses of the naturally occurring isotopes of the element.

Question 67

When orbitals are equal in energy, one electron is added to each orbital until the orbitals are half-filled, before any orbital is completely filled.

Question 68

All of the elements in group 6A are nonmetals.

Question 69

Strontium and barium have similar chemical properties.

Question 70

The electron configuration for calcium is 1s²2s²2p⁶3s²3p⁶4s².

Question 71

Fluorine has higher ionization energy than neon.

Question 72

The maximum number of electrons that can occupy the 3d subshell is ten (10).

Question 73

Bromine is abbreviated by the two-letter symbol BR.

Question 74

All metals are solids at room temperature.

Question 75

A column in the periodic table is called a period.

Question 76

The number of electrons that an orbital can contain depends on the type of orbital.

Question 77

A bromine atom is smaller than a potassium atom.

Question 78

An atom with A = 21 and Z = 10 is an isotope of an atom with A = 20 and Z = 10.

Question 79

Phosphorus has 15 valence electrons.

Question 80

An iodine atom is larger than both a krypton atom and a tellurium atom.