Deck 2: Atoms and the Periodic Table

Question 1

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.

Answer 1

Carbon,hydrogen,nitrogen,sodium,oxygen,and potassium atoms are present in this compound.

Question 2

Which element is a nonmetal?

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

Answer 2

Br

Question 3

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

Answer 3

1s,2s,2p,3s,3p,4s,3d,4p

Question 4

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 5

Which atom has the smallest atomic radius?

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

Question 6

Which element is not an alkali metal?

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

Question 7

Which element is a metalloid?

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

Question 8

Which element is a metal?

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

Question 9

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

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

Question 10

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 11

How many protons are in the isotope with the symbol ?

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

Question 12

Which element is not an alkali metal?

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

Question 13

The element symbol for manganese is ________.

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

Question 14

The element symbol for sulfur is ________.

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

Question 15

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 16

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 17

Which element is a transition metal in period 4?

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

Question 18

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

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

Question 19

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 20

Which atom has the largest atomic radius?

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

Question 21

The proper electron-dot symbol for aluminum is ________.

A)
B)
C)
D)

Question 22

Which element is chemically similar to lithium?

A)Sulfur
B)Magnesium
C)Iron
D)Lanthanum
E)Potassium

Question 23

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 24

Which element has the following orbital diagram?

A)O
B)N
C)C
D)Li

Question 25

Which element has the following orbital diagram?

A)Li
B)Be
C)Na
D)Mg

Question 26

Which element is chemically similar to chlorine?

A)Sulfur
B)Calcium
C)Oxygen
D)Bromine
E)Argon

Question 27

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

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

Question 28

How many neutrons are in the isotope ?

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

Question 29

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

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

Question 30

Which element has the smallest ionization energy?

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

Question 31

Which element has the following orbital diagram?

A)Ar
B)Cl
C)F
D)S

Question 32

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 33

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 34

Which isotope is not possible?

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

Question 35

How many electrons are in the isotope ?

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

Question 36

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 37

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

A)
B)
C)
D)

Question 38

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 39

Which element has the following orbital diagram?

A)Mg
B)K
C)Na
D)S

Question 40

How many protons are in the isotope ?

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

Question 41

Which element is located in period 3,Group 3A?

A)Al
B)S
C)Si
D)B

Question 42

The element symbol S represents sodium.

Question 43

Helium is an s block element.

Question 44

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

Question 45

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

Question 46

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 47

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

Question 48

What is the Period and Group for the element Bromine?

A)Period 4,Group 7A
B)Period 7,Group 4A
C)Period 2,Group 3A
D)Period 6,Group 2A

Question 49

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 50

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

Question 51

Fl is the element symbol for fluorine.

Question 52

What is the period and Group for the element Boron?

A)Period 2,Group 13A
B)Period 3,Group 3A
C)Period 2,Group 3A
D)Period 4,Group 8A

Question 53

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

Question 54

The element symbol for iron is Fe.

Question 55

All elements have at least two naturally occurring isotopes.

Question 56

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 57

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

Question 58

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 59

Protons and electrons reside in the nucleus of an atom.

Question 60

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 61

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

Question 62

Sulfur is a metal.

Question 63

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

Question 64

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 65

Iodine has smaller ionization energy than chlorine.

Question 66

The electron-dot symbol for barium is .

Question 67

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

Question 68

Group 6A elements have the general electron configuration of ns^2np6.

Question 69

The electron configuration for calcium is 1s²2s²2p⁶3s²3p⁶4s².

Question 70

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 71

Phosphorus has 15 valence electrons.

Question 72

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

Question 73

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

Question 74

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

Question 75

Magnesium is a metal.

Question 76

A column in the periodic table is called a period.

Question 77

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

Question 78

A bromine atom is smaller than a potassium atom.

Question 79

Bromine is abbreviated by the two-letter symbol BR.

Question 80

All metals are solids at room temperature.