Ch. 3 questions

Question 1

In an element, atomic number is defined as the _______, where as the atomic mass is the _________.

Answer 1

C. # of protons; sum of protons and neutrons

Question 2

Atomic bonding, which involves two atoms “sharing” one or more electrons, is known as __________.

Answer 2

B. covalent bonding

Question 3

Which of the following minerals has the highest hardness value?
talc
quartz
muscovite
orthoclase

Answer 3

B. quartz

Question 4

Which of the following describes a mineral’s response to mechanical impact?

Answer 4

B. Cleavge

Question 5

Which of the following best defines a mineral and a rock?

Answer 5

C. in a mineral the atoms are bonded in a regular, repetitive, internal structure; a rock is a lithified or consolidated aggregate of diff. mineral grains

Question 6

which mineral is the most abundant in Earth’s crust by weight?

Answer 6

C. oxygen

Question 7

All silicate minerals contain which 2 elements?

Answer 7

D. silicon, oxygen

Question 8

Which of the following minerals is a silicate?

Answer 8

B. muscovite

Question 9

A mineral formed entirely from silicon and oxygen is ___________.

Answer 9

B. quartz

Question 10

Clays are____________.

Answer 10

D. nonferromagnesian sheet silicates formed by chemical weathering