Periodic Table
What group and period is Boron in?
Group 13 Period 2
Give 3 examples of Metals
(Answers may vary)
-Gold
-Silver
-Copper
Give 3 examples of Non Metals
(Answers may vary): Oxygen, Nitrogen, Carbon
Define Dull Appereance
Not shiny
What group and period is Indium in?
Group 13, Period 5
True or False: Metals are poor conductors of electricity and heat
False
True or False: Non Metals are malleable
False
Define Lustrous
Shiny
What is the atomic number of Calcium?
20
True or False: Metals have a high melting and boiling point
True
What is one key characteristic of semimetals?
They are semiconductors: they can conduct electricity, but not as well as metals
Define Ductile
Can be drawn into wires
How many groups are on the periodic table
18
Name 3 properties of Metals:
Shiny (Luster): Metals have a metallic shine or luster when polished.
Conductivity: Metals are good conductors of electricity and heat.
Malleability: Metals can be hammered or pressed into shapes without breaking.
Ductility: Metals can be drawn into wires.
High Melting and Boiling Points: Metals tend to have high melting and boiling points.
Hardness: Most metals are hard and strong (but some, like sodium, are soft).
What are semimetals?
They have properties of both metals and non metals
Define Brittleness
can break easily
What are the 4 parts of an element?
Atomic number, symbol, element name, and atomic mass
Define Metal:
Metals are elements that are typically hard, shiny, and good conductors of heat and electricity.
Name 3 semimetals
Define Malleability
Can be hammered or pressed into shapes without breaking