Online quiz #5

Question 1

Solid materials that do not possess an orderly arrangement of atoms are called:
-glasses
-minerals
-crystals
-polymorphs

Answer 1

glasses

Question 2

Which of the following substances is not considered a mineral?
-coal
-diamond
-gypsum
-rock salt

Answer 2

Coal

Question 3

Isotopes of a given element have

Answer 3

the same number of protons but different atomic masses

Question 4

Which of the following subatomic particles has a positive charge?
-electron
-neutron
-proton
-all of the above

Answer 4

proton

Question 5

Sodium has an atomic number of 11. How many electrons will the sodium ion Na+ have?

Answer 5

10

Question 6

Isotopes of an element have different numbers of

Answer 6

neutrons

Question 7

What is the term for atoms of the same element that have different numbers of neutrons?

Answer 7

isotopes

Question 8

Carbon has an atomic number of 6 and an atomic mass of 12. This means that carbon atoms have

Answer 8

6 protons and 6 neutrons

Question 9

The atomic mass of an element is equal to the number of

Answer 9

protons plus neutrons

Question 10

What will be the charge of an atom containing eight protons, nine neutrons, and 10 electrons?

Answer 10

-2

Question 11

How are the elements organized in the periodic table?

Answer 11

in order of increasing number of protons

Question 12

What does the symbol Na+ represent?

Answer 12

a sodium cation

Question 13

In order to make a sodium (Na) chlorine (Cl) bond in NaCl,

Answer 13

one electron is transferred from the sodium atom to the chlorine atom.

Question 14

Chemical substances that have exactly the same chemical formula but different crystal structures are called

Answer 14

polymorphs

Question 15

The most common rock-forming minerals in the crust are

Answer 15

silicates

Question 16

The two most common elements in Earth’s crust are

Answer 16

oxygen and silicon

Question 17

Mica is a common example of a ________ silicate.

Answer 17

sheet

Question 18

_________ and __________ are examples of polymorphs.

Answer 18

diamond and granite

Question 19

Which of the following minerals is a framework silicate?
-quartz
-orthoclase feldspar
-plagioclase feldspar
-they are all framework silicates

Answer 19

they are all framework silicates

Question 20

The silica tetrahedra readily bonds with cations when available because

Answer 20

it has a net negative charge

Question 21

Rocks that form from the solidification of molten rock are called

Answer 21

igneous

Question 22

_________ is the most common mineral or mineral group in Earth’s crust.

Answer 22

feldspar

Question 23

_________ is the most common mineral or mineral group in the Earth as a whole.

Answer 23

perovskite

Question 24

What is the most common type of bonding in minerals?

Answer 24

ionic bonding

Question 25

What is the strongest type of bonding found in minerals?

Answer 25

covalent bonding

Question 26

Which of the following elements tends to share electrons?

Answer 26

carbon

Question 27

Which of the following statements is true? A) Cations are generally larger than anions. B) Cations are generally smaller than anions. C) Cations and anions are approximately the same size. D) Approximately one-half of the cations are larger than anions and one-half are smaller.

Answer 27

Cations are generally smaller than anions.

Question 28

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