Physical Science Elements and their Properties Ch 19 Mouse Mischief Physical Science Elements and their Properties

At room temperature, most metals are ____. gases liquids radioactive solids

condensation evaporation ionization sublimation The process by which solid iodine particles change directly to gas without first becoming a liquid is called ____. condensation evaporation ionization sublimation

Elements that form salts by combining with metals are ____. allotropes fluorides ionics halogens

metals metalloids noble gases nonmetals Substances that conduct an electric current only under certain conditions are most likely to be ____. metals metalloids noble gases nonmetals

allotropes carbons graphites halogens Different forms of the same element that have different properties because of different atom arrangements are called ____. allotropes carbons graphites halogens

diamond graphite sand silicon An allotrope of carbon that is soft and can be used as a lubricant is ____. diamond graphite sand silicon

diamond graphite quartz silicon An allotrope of carbon that is hard and is often used in jewelry is ____. diamond graphite quartz silicon

Hydrogen is grouped with the alkali metals because it ____. does not readily form compounds has one electron in its outer energy level is a gas is a metal

actinide series alkali metals halogens lanthanide series A chemical family whose members exist as reactive diatomic molecules in the gaseous phase is the ____. actinide series alkali metals halogens lanthanide series

actinide series alkali metals halogens lanthanide series A chemical family whose members exist as reactive diatomic molecules in the gaseous phase is the ____. actinide series alkali metals halogens lanthanide series

gaining one electron losing one electrons losing two electrons When hydrogen reacts with the active metals, it forms a chemical bond by ____. gaining one electron losing one electrons losing two electrons sharing electrons

actinides alkaline earth metals transition elements halogens The elements in Groups 3 through 12 of the periodic table are the ____. actinides alkaline earth metals transition elements halogens

actinides alkaline earth metals alkali metals halogens A family of elements that has two electrons in its outer energy level is the ____. actinides alkaline earth metals alkali metals halogens

Metals can be used as wire because they are ____. alloys ductile metallic shiny

covalent hydrogen metallic radioactive Elements in which the outer electrons are NOT held tightly are most likely to form ____ bonds. covalent hydrogen metallic radioactive

Bromine is the only halogen and nonmetal that is normally a ____. gas liquid semiconductor solid

The only metal that is a liquid at room temperature is ____. copper mercury silver sodium

A synthetic element that is used in smoke detectors is ____. aluminum americium sodium technetium

All synthetic elements are ____. liquids needed by human body radioactive useful in making plastics

Cobalt, iron, and nickel are known as the ____ triad. steel

Three transition elements in Group 12 of the periodic table are ____. copper, silver, and gold iron, nickel, and cobalt mercury, zinc, and cadmium neon, helium, and xenon

halogen lanthanide transition element transuranium element Any element with an atomic number greater than that of uranium is a(n) ____. halogen lanthanide transition element transuranium element

The noble gases are in ____. Group 18 Group 1 Group 13 Group 2

liquids metals metalloids radioactive Elements that lie along the stair-step line of the periodic table are ____. liquids metals metalloids radioactive

The appearance of solid metals can be described as ____. dull glassy powdery shiny

noble gases alkaline earth metals alkali metals transition elements A family of elements that contains the most reactive metals is the ____. noble gases alkaline earth metals alkali metals transition elements

Radioactive elements comprise a majority of the ____. actinides halogens lanthanides noble gases