Metals and Non-metals

Question 1

a material that, when freshly prepared, polished, or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well.

Answer 1

metal

Question 2

one that can be hammered or rolled into flat

sheets and other shapes

Answer 2

malleable

Question 3

one that can be pulled out, or drawn,

into a long wire

Answer 3

ductile

Question 4

the ability of an object to transfer heat or

electricity to another object

Answer 4

conductivity

Question 5

is the gradual destruction of a metal due to reactions with other chemicals in its environment

Answer 5

corrosion

Question 6

is the specific name given to the corrosion of iron. It is a chemical reaction between iron, oxygen and water.

Answer 6

rusting

Question 7

chemical name for rust

Answer 7

hydrated iron oxide

Question 8

are metals in Group 1, from lithium to francium, has single electron in its outermost shell

Answer 8

alkali metal

Question 9

are elements in the second column, has two electrons in their outermostelectron layer

Answer 9

alkaline earth metals

Question 10

are the elements that feature atoms that have an incomplete d sub-shell, unique from all other elements because of their common properties

Answer 10

transition metals

Question 11

the elements in the top row below the main part of the periodic table

Answer 11

lanthanides

Question 12

is a mixture of a metal with at least one other element, usually another metal; example: steel

Answer 12

alloy

Question 13

are composed of 15 elements which ranges from number 89 to 103; radioactivity elements

Answer 13

actinides

Question 14

often create amphoteric oxides and behave in the same manner as semiconductors, they are known as semi-metals

Answer 14

metalloids

Question 15

an alloy of copper and tin

Answer 15

bronze

Question 16

an alloy of copper and zinc. It does not tarnish and is used for door knobs, buttons and musical instruments

Answer 16

brass

Question 17

an alloy of zinc and lead. It is used in electronics to attach components to circuit boards

Answer 17

solder

Question 18

an alloy of mercury and silver or tin. It is used for dental fillings because it can be shaped when warm and resists corrosion

Answer 18

amalgam

Question 19

when is a copper coin not a copper coin?

Answer 19

A copper coin is not a copper coin when it is a copper-coated alloy

Question 20

is an alloy of iron and other elements, including carbon, nickel and chromium.

Answer 20

steel

Question 21

contains less than 0.25% carbon

Answer 21

low carbon steel

Question 22

contains more than 0.5% carbon

Answer 22

high carbon steel

Question 23

an alloy of iron that contains at least 11% chromium and smaller amounts of nickel and carbon

Answer 23

stainless steel

Question 24

an alloy of iron and titanium

Answer 24

titanium steel

Question 25

a type of smart material made from metals that returns to its original shape after being deformed

Answer 25

shape memory alloy

Question 26

is a type of shape memory alloy made from nickel and titanium

Answer 26

nitinol