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Matter
Flashcards for the 10-12 Moving Beyond the Page Unit
13
Chemistry
6th Grade
11/30/2020

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Cards

Term
Who invented the Periodic Table of the Elements and when?
Definition

Dmitri Mendeleev,

a Russian scientist, invented the Periodic Table in 1869.

Term
What is luster?
Definition
Luster is how shiny an object is.
Term
What is malleability?
Definition
Malleability is when a material can be shaped and formed.
Term
What does brittle mean?
Definition
It means that an object snaps/breaks easily.
Term
What are the 10 sections on the Periodic Table?
Definition
They are Alkali metals, Alkaline earth metals, Transition metals, Lanthanides, Actinides, Main-group/post-transition/poor metals, Metalloids, Halogens, Nonmetals, and Noble gases.
Term
What is density?
Definition
The amount of matter in a given space. It is not the same as weight!
Term
What 2 elements are liquids at room temperature?
Definition
Mercury (Hg) and Bromine (Br).
Term
What are colloids?
Definition
Colloids are substances with particles of another substance in them. For example, Shaving cream is air and liquid mixed together, and milk has fat evenly dispersed.
Term
What is ferromagnetism?
Definition
Very magnetic, and sometimes can be its own magnet.
Term
What is paramagnetism?
Definition
Weakly magnetic.
Term
What is diamagnetism?
Definition
Not magnetic at all.
Term
What is conductivity?
Definition
The ability to transmit energy as heat, electricity, or sound.
Term
What is solubility?
Definition
The ability to dissolve.
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