Filetype Power Point PPTX | Posted on 09 Sep 2022 | 3 years ago
Authentication
digital resources
150x Filetype PPTX File size 1.54 MB Source: www.rcboe.org
Coloring in the Periodic Table
Notice the difference between the appearance of the
metals and nonmetals.
Click here for a better view of each of the elements.
Physical properties of
METALS
• Metals are SOLIDS.
(except mercury)
• Metals are HARD.
(except Lithium, Potassium, Sodium)
Physical Properties of METALS
Metals have shiny luster. (or metallic
luster)
LUSTER – the way an object’s
surface reflects light
When you leave a spoon in a cup of hot drink, the bit
poking out of the drink gets hot. Why? Conduction!
METALS are the best conductors of heat.
This is because the electrons in metals move more freely than
in non-metals, allowing the heat energy to travel across the
metal.
For example, when the spoon touches the hot drink, the heat
from the drink excites the electrons in the metal, and the
electrons transfer the energy from one electron to another,
carrying the heat all the way up the spoon quickly.
Best conductors:
silver and copper
no reviews yet
Please Login to review.
