Periodic Table

gases at room temperature lacks the properties of metals (dull, brittle, poor conductor)

at room temperature, metals are usually __________.

a physical property of metals. appears shiny, glossy, shimmery

characteristics of a pure element that can be observed without changing the element

ability of a pure substance to change into a different substance (reactivity) is a __ property

Group 17. Highly reactive group. Elements in this group have 7 valence electrons.

which element is carbon most like?

states that once an atom has 8 valence electrons in its outer shell, it is no longer reactive

the chemical wearing away of atoms.

Group 18. Nonreactive group of elements. Their outer shell is full with 8 valence electrons

how easily and quickly an element is able to combine with other elements

the electrons that are on the oribital farthest from the nucleus are called ___

which family is the MOST reactive on the periodic table?

an element that has some characteristics of both metals and nonmetals, usually brittle and hard

the ability to be pulled or drawn into a long wire.

which family is the LEAST reactive on the periodic table?

malleability refers to a metals ability to do which of the following?

the ability to be hammered or rolled into different shapes

at room temperature, nonmetals are usually _________.

the ___ family is in the middle of the periodic table (groups 3-12) and are somewhat reactive

a material that conducts electricity under certain conditions.

malleability, luster, and high boiling points are _______ properties of metals.

nonmetals are usually...

oxygen has ____ valence electrons

elements that are solid at room temperature. Physical properties: lustrous, ductile & malleable

the periodic table has _____ families (groups/columns)

the only nonmetal that is liquid at room temperature

the ____ family is the family furtherst to the left on the periodic table (group 1).

what element is potassium most like?

The ability of an element to reactive with another element

the ability of an object to transfer heat or electricity to another object.

the octet rule states that once an atom has __ valence electrons, it is no longer reactive