periodictable reveiw Flashcards
1
Q
what elements show propertiew of both metals and non metals?
A
metalloids
2
Q
Most elements fall into this classification:
A
metals
3
Q
Columns of the periodic table, which have similar chemical properties are known as a
A
group
4
Q
The most chemically inactive group of elements are the
A
noble gases
5
Q
Insulation around an electric outlet is made out of
A
non metals
6
Q
Silvery solids with low densities and low melting points found in Group 1 of the periodic table are
A
alkali metals
7
Q
Elements that are gases or brittle solids and poor conductors of heat and electricity are
A
non metals
8
Q
The representative groups are groups
A
1,2,13,18.
9
Q
A mixture is
A
two or more substances (elements or compounds) that come together but do not combine to make a new substance.
