Unit 3 Quiz 1 Review Flashcards
What are the properties of acids?
-sour
-reacts to metals
-neutralizes bases
-pH less than 7
What are the properties of bases?
-conduct electricity
-neutralizes acids
-tastes bitter
-feels slippery
-pH greater than 7
What is the pH scale for acids?
0-6.9
What is the pH scale for bases?
7.1-14
What is the pH scale for neutrals substances?
7
How do we neutralize an acid?
By raising the pH
How do we neutralize a base?
By lowering the pH
What are we measuring in the reading for pH?
The hydrogen ion concentration
How are groups/families organized on the periodic table?
Vertically/in columns
How many groups/families are on the periodic table?
18
What are the names of the groups/families on the periodic table?
- Alkali metals
- Alkaline earth metals
3-12. Transition metals - Boron family
- Carbon family
- Nitrogen family (pnictogens)
- Oxygen family (chalcogens)
- Halogens
- Nobel gases
How are periods organized on the periodic table?
Horizontally/in rows
How many periods are there on the periodic table?
7
Where are metals located on the periodic table?
The majority of the table, except for the golden stair case and things beyond/left side
Where are non-mentals located on the periodic table?
Upper right side
Where are metalloids located on the periodic table?
Between the metals and non-metals (golden staircase segment)
What is the “golden staircase” on the periodic table?
The section of metalloids on the periodic table
What are the properties of metals?
-shiny
-conductive (electricity and heat)
-malleable
-ductile
What are the properties of non-metals?
-brittle
-dull
-poor conductors of heat/electricity
-not malleable
-not ductile
What are the properties of metalloids?
-also called “semi-metals”
-posses properties of metals and non-metals
-located between metals and non-metals on the periodic table
What are the 8 metalloids?
-Boron
Silicon
-Germanium
-Arsenic
-Antimony
-Tellurium
-Astatine
Does electronegativity increase or decrease when you go down a column or across a row?
Decreases down a column increases across a row
Does ionization energy increase or decrease when you go down a column or across a row?
Decreases down a column, increases across a row
Does atomic radius increase or decrease when you go down a column or across a row?
Increases down a column, decreases across a row
Does ionic radius increase or decrease when you go down a column or across a row?
Increases down a column, decreases across a row
Do metallic/non-metallic characteristics increase or decrease when you go down a column or across a row?
Metallic increases down a row, nonmetallic increases across
