Groups
Properties of Elements
Elemental Terms
Metals and Nonmetals
Trends
100
The Transition Elements are in groups _________?
3-12
100

Property of a metal that allows it to be pressed into sheets.

Malleability 
100
Any element with an atomic number greater than that of uranium is called a  ________________________.
Transuranium element
100

Element that is typically hard when in solid state, has luster, is malleable, and is ductile.

Metal
100
Atomic Number increases from left to right, and from _________ to _________.
top to bottom
200
Group of highly reactive metals that like to form cations with a charge of +1.
Alkali Metals
200

Property of a material to allow heat or electricity to flow easily.

Conductivity 
200

Process in which the nucleus of an atom breaks down and gives off particles and energy. All synthetic elements are this.  

Radioactive
200

Elements that tend to be a good insulators of heat and electricity. 

Nonmetals
200

Atomic Radius, the distance from the center of the nucleus to the outer most energy level, increases from  top to bottom and from __________ to __________.

Right to Left
300
Group of elements that are found stable in nature. 
Noble Gasses
300

The shine from the surface of a material.

Luster
300

A ________ _________ consist of two atoms of the same element in a covalent bond.

Diatomic Molecule 
300

Element which has properties in between those of metals and nonmetals, or that has a mixture of them.

Metalloids
300
The most reactive metal is ____________.
Francium 
400
Very reactive group of nonmetals that form salts.
Halogens
400

A metal that can be drawn into wires is said to be ____________.

Ductile
400

Elements that conduct electricity under certain conditions.

Semiconductors
400
Elements that typically form cations.
Metals 
400
The most reactive nonmetal is __________. 
Fluorine 
500
Group of highly reactive elements that have relatively low boiling points, densities, and melting points.
Alkaline earth metals 
500

A material that limits the flow of electricity or heat is called a ____________.

Insulator 
500

Different forms of the same element that have different properties because of different atom arrangements are called ___________.  (ex. Carbon can form diamonds, graphite, and coal)

Allotropes 
500
Elements that are typically brittle and do not reflect light.  
Nonmetals
500

Electronegativity, how badly an atom of a compound wants to “hog” electrons, increases from bottom to top and from __________ to ____________. 

Left to Right
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