Matter Flashcards
(21 cards)
What is matter?
The substance that makes up everything around us.
How can matter be classified?
Based on its composition and properties.
What are the two main categories of chemical classification of matter?
- Pure substances
- Mixtures
What are pure substances composed of?
Only one kind of material.
What are the two types of pure substances?
- Elements
- Compounds
What are mixtures?
Combinations of two or more substances that are physically blended together.
Do mixtures retain their individual properties?
Yes.
What are the two main classifications of matter based on?
Physical state and chemical properties.
Fill in the blank: Matter can be classified into _______ based on its composition.
pure substances and mixtures
True or False: All properties of a pure substance are uniform throughout.
True
What will you learn more about in the next module?
Physical classification of matter.
What are the groups of metals in the periodic table?
Transition metals, Alkali metals, Alkaline earth metals, Semi-metals, Halogens, Noble gases
Which group contains Alkali metals?
Group 1
What group is known for containing Alkaline earth metals?
Group 2
What is the group number for Halogens?
Group 17
What group number do Noble gases belong to?
Group 18
Fill in the blank: _______ metals are located in Group 3 to 12.
Transition
True or False: Semi-metals are not classified as metals.
True
What is the significance of Group 7 in the periodic table?
It contains Halogens
What are the key characteristics of Transition metals?
They are typically good conductors of heat and electricity, malleable, and have high melting points
