100 POINTS (a)
Which alloy in the table above contains an element which is a non-metal?

(b)
Which two alloys in the table contain only two metals?
and

(c)
Another alloy called nichrome contains only the elements chromium and nickel.
100 g of nichrome contains 2&g of chromium.
How much nickel does it contain?
.9
1 mark
(d) Before 1992, two-pence coins were made of bronze.
Steel rusts but bronze does not rust.
(0)
Why does bronze not rust?
Use information in the table above to help you.
1 mark
Rusting requires water and a gas from the air
Give the name of this gas.
1 mark

An allotrope of carbon that is soft and can be used as a lubricant is __.

a. silicon

b. diamond

c. sand

d. graphite

d

The process by which a solid changes directly to a gas without first becoming a liquid is called __.

a. condensation

b. ionization

c. sublimation

d. evaporation

c

In the gaseous state __ form diatomic covalent molecules.

a. noble gases

b. alkali metals

c. alkaline earth metals

d. halogens

d

When hydrogen reacts with the active metals, it __.

a. shares electrons

b. gains one electron

c. loses one electron

d. loses two electrons

b

Different forms of the same element that have different properties because of different atom arrangements are called __.

a. allotropes

b. carbons

c. silicons

d. graphites

a

At room temperature, most metals are __.

a. liquids

b. solids

c. radioactive

d. gases

b

An allotrope of carbon that is hard and is often used in jewelry is __.

a. silver

b. diamond

c. quartz

d. graphite

b

Metals can be usedas wire because they are __.

a. ductile

b. malleable

c. shiny

d. alloys

a

The __ often occur in nature as uncombined elements.

a. alkaline earth metals

b. alkali metals

c. actinide series

d. transition elements

d

Substances that conduct an electric current only under certain conditions are most likely to be __.

a. metals

b. nonmetals

c. metalloids

d. noble gases

c

The elements in Groups 3 through 12 of the periodic table are the __.

a. actinides

b. lanthanides

c. transition elements

d. noble gases

c

A group of elements that has two electrons in its oter energy level is the __.

a. alkaline earth metals

b. halogens

c. alkali metals

d. actinides

a

Hydrogen is grouped with the alkali metals because it __.

a. is a metal

b. has one electron in its outer energy level

c. is a gas

d. does not readily form compounds

d

Synthetic element are found in which of the following groups?

a. actinides

b. alkali metals

c. oxides

d. halogens

a

The bonding that occur when positively charged ions are surrounded by a cloud of eectrons is called __ bonding.

a. ionic

b. covalent

c. radioactive

d. metallic

d

All synthetic elements __.

a. are used in smoke detectors

b. are needed by the human body

c. are not typically found on Earth

d. have more than 92 protons

c

The only metal that is a liquid at room temperature is __.

a. silver

b. zinc

c. mercury

d. sodium

c

A synthetic element that is used in smoke detectors is __.

a. americium

b. sodium

c. technetium

d. aluminum

a

Bromine is the only halogen and nonmetal that is a __ at room temperature.

a. solid

b. liquid

c. gas

d. semiconductor

b

The iron triad of transition metals includes __.

a. iron, zinc, and copper

b. cobalt, iron, and nickel

c. copper, silver, and gold

d. zinc, cadmium, and mercury

b

The ablility of metals to reflect light is referred to as __.

a. luster

b. ductility

c. conductivity

d. malleability

a

Any element with an atomic number greater then 92 is a __.

a. transuranium element

b. lanthanide

c. transision element

d. halogen

a

Copper, silver, and gold are __ metals.

a. diatomic

b. radioactive

c. magnetic

d. coinage

d

Elemens that lie along the stair-step line of the periodic table are __.

a. liquids

b. metals

c. metalloids

d. radioactive

c

Three transition elements in Group 12 of the periodic table are __.

a. iron, nickel, and cobalt

b. mercury, zinc and cadmium

c. copper, silver, and gold

d. neon, helium, and xenon

b

Describe an allotrope

an allotrope is a form of an element that has a different molecular structure.

Explanation: all i got hope some of it helps :D