Deck 1: Portable Electronics: the Periodic Table in the Palm of Your Hand

Question 1

Which symbol(s) represent(s) elements in the noble gas family?

A)X and Z
B)P and L
C)Q
D)Y

Answer 1

Q

Question 2

A(n) ________ is a fixed number of atoms held together by chemical bonds in a certain spatial arrangement.

A)element
B)ion
C)molecule
D)mixture

Answer 2

molecule

Question 3

Which diagram(s) best represent(s) only individual atoms?

A)I only
B)II only
C)III only
D)IV only
E)II and III only

Answer 3

III only

Question 4

On a Periodic Table,the columns of elements with similar properties are

A)periods.
B)groups.
C)rows.
D)metals.

Question 5

Which of the following is a pure substance?

A)Lemonade
B)Concrete
C)Gasoline
D)Silver wire

Question 6

The quantity 0.0000064 g expressed in scientific notation.

A)6.4 × 10⁶ g
B)6.4 × 10^¯6 g
C)6.4 × 10⁷ g
D)6.4 × 10^¯7 g

Question 7

Which is not a pure substance?

A)Helium
B)Copper wire
C)Air
D)Sucrose

Question 8

Which diagram(s) best represent(s) only molecules?

A)I only
B)II only
C)III only
D)I and II only
E)IV only

Question 9

Which square(s) contain(s) only one or more compounds?

A)I only
B)II only
C)I and IV only
D)II and III only

Question 10

Which square(s) contain(s) only an element?

A)I only
B)II only
C)I and II only
D)III and IV only

Question 11

Which substance is an element?

A)NO₂
B)NaCl
C)N₂
D)CH₄

Question 12

The quantity 8.7 × 10⁵ g expressed in standard decimal notation.

A)0.000087 g
B)870.000 g
C)0.0000087 g
D)870,000 g

Question 13

Which symbols represent only elements that are metals?

A)X and Z
B)X and Q
C)P and L
D)X,R,P,and Q

Question 14

A substance that can be broken down into two or more simpler substances by chemical methods is called a(n)

A)compound.
B)mixture.
C)element.
D)isotope.

Question 15

Which diagram(s) best represent(s) only diatomic molecules?

A)I only
B)II only
C)I and II only
D)II and IV only

Question 16

Which squares contain mixtures?

A)II and III only
B)III and IV only
C)I,III,and IV only
D)I and IV only

Question 17

Which differentiates a compound from a mixture of two or more elements?

A)The elements in a compound may be present in varying proportions
B)A compound does not exhibit the individual properties of the elements of which it is composed
C)A compound is made up of only one element
D)A compound cannot be made up of more than two elements

Question 18

Which of the following is the chemical symbol for silver?

A)Au
B)Pb
C)Ag
D)Fe

Question 19

Which is not a mixture?

A)A jar filled with rocks and sand
B)Sea water
C)A glass of Kool-Aid
D)Sodium chloride

Question 20

The most numerous of the elements are the

A)metals.
B)nonmetals.
C)metalloids.
D)noble gases.

Question 21

Which corresponds to the composition of the ion typically formed by magnesium?

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

Question 22

Which one of these materials is most likely to conduct heat?

A)A titanium rod
B)A sample of chlorine gas
C)A silicon wafer
D)A chunk of phosphorus

Question 23

What type of material is defined as having a well-ordered atomic structure?

A)Amorphous
B)Crystalline
C)Transparent
D)Opaque

Question 24

Which one of the following is an example of a homogeneous mixture?

A)A chocolate chip cookie
B)A glass of pulp-free lemonade
C)A carbonated beverage
D)A bowl of cereal in milk

Question 25

Which country is the world's leading producer of rare earth elements?

A)USA
B)China
C)South Africa
D)Brazil

Question 26

The numbers 1 through 4 are used to identify four different elements on the periodic table.Which element is expected to have 2+ charge when it forms an ion?

A)1
B)2
C)3
D)4

Question 27

The majority of new smartphones being released have displays that are at least 5 inches in size.What is this size in centimeters? (There are 2.54 cm in one inch. )

A)1.97 cm
B)6.10 cm
C)12.7 cm
D)60.0 cm

Question 28

In the periodic table,which elements typically have similar properties?

A)Those in the same rows
B)Those related diagonally
C)Those in the same columns
D)Those on opposite sides

Question 29

What distinguishes the atoms of one element from another?

A)The number of neutrons
B)The number of protons plus neutrons
C)The number of protons
D)The number of neutrons plus electrons

Question 30

A recent set of advertisements has a picture of an aluminum can with an aluminum-frame bicycle,along with a hypothetical quote from the can that reads: "I want to be a bike.Recycle me." The analysis of the life cycle of an item starting with its raw materials and ending with the used item becoming the raw material for new products is called

A)cradle-to-grave.
B)reusability.
C)cradle-to-cradle.
D)cost-benefit analysis.

Question 31

How many protons,neutrons,and electrons are there in a neutral atom of 19/9 F?

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

Question 32

What are the three pillars of sustainability?

A)Reduce,reuse,recycle
B)Equitability,justice,quality of life
C)Diversity,efficiency,toxicity
D)Environmental,social,economic

Question 33

One common class of minerals are aluminosilicates,with a general formula of Al₂SiO₅.What is the atomic percentage composition of aluminum in an aluminosilicate?

A)12.5 percent Al
B)25 percent Al
C)33.3 percent Al
D)62.5 percent Al

Question 34

Which one of the following compounds is considered to be an ionic compound?

A)NO
B)CCl₄
C)LiF
D)PI₃

Question 35

Which corresponds to the composition of the ion typically formed by fluorine?

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

Question 36

How many bromide ions can combine with one ion of aluminum to form an ionic compound?

A)3
B)6
C)1
D)2

Question 37

Which one of the following compounds is considered to be a molecular compound?

A)PCl₃
B)NaBr
C)Al2O₃
D)Mg₃P₂

Question 38

Which one of the following is a subatomic particle located in the center of the atom and has a positive charge?

A)Protons
B)Neutrons
C)Electrons
D)Photons

Question 39

The atomic number is the

A)same as the mass number of an atom.
B)number of protons in a nucleus.
C)number of protons and neutrons in a nucleus.
D)number of neutrons in a nucleus.

Question 40

The nucleus of an atom contains

A)electrons and protons only.
B)protons only.
C)electrons,protons,and neutrons.
D)protons and neutrons only.

Question 41

A sample of silicon rejected for use in an electronic circuit has an impurity of boron at a level of 3 parts per trillion.What is the fraction of boron atoms in the silicon sample as written in scientific notation?

A)3 x 10^-9
B)3 x 10⁹
C)3 x 10^-12
D)3 x 10⁶

Question 42

One of the lightest smartphones on the market today weighs 113 g.To protect your phone,you may want to use a screen protector,which weighs 27.2 g,and a heavy duty phone case,which weighs 114 g.What is the total weight of the phone,screen protector,and case?

A)254.20 g
B)254.2 g
C)254 g
D)250 g

Question 43

What is the term used to describe a material that allows light to mostly pass through it?

A)Reflective
B)Porous
C)Transparent
D)Absorbtive

Question 44

What is the answer to the following mathematical operation? 1.42 + 9.4 x 2.854

A)30.8
B)30.82
C)30.88028
D)31

Question 45

How many cm are in 0.129 m?

A)1.29 cm
B)12.9 cm
C)129 cm
D)1290 cm

Question 46

How many protons are in an atom of carbon?

A)2
B)4
C)6
D)12

Question 47

What term is defined as the flow of electrons from one location to another?

A)Resistance
B)Transparency
C)Density
D)Electricity

Question 48

What is the density of a block of material that is 12 cm x 6 cm x 2 cm and has a mass of 356 g?

A)1.00 g/cm³
B)2.47 g/cm³
C)3.56 g/cm³
D)4.95 g/cm³

Question 49

A computer chip was weighed and found to have a mass of 23.3040 g.How many significant figures does this number have?

A)4
B)5
C)6
D)7

Question 50

Oxidation and reduction of atoms involves a change in the number of ___________ in the atom.

A)electrons
B)protons
C)neutrons
D)nuclei