Matter Flashcards
Who developed the periodic table
Dmitri Mendeleev
On the periodic table what are the rows and the columns called?
Rows - Periods
Columns - groups
How is the periodic table organised?
By atomic number (originally mass) and chemical property
What group is Alkali metals on the periodic table?
Group 1
What is group 7 on the periodic table?
Halogens
What group on the periodic table is noble gasses?
Group 8 or 0
Where on the periodic table can you find metals?
The left and the middle side
What can be found on the right side of the periodic table?
Non metals
What are 5 commen non metal elements - what are their states at room temp and symbols?
- Carbon - solid - C
- Hydrogen - gas - H
- Nitrogen - gas - N
- Sulphur - solid - S
- Bromine - liquid - Br
Name 8 common metal elements- what are their states at room temp and their symbols?
- Sodium - solid - Na
- Calcium - solid - Ca
- Iron - solid - Fe
- Aluminium - solid - Al
- Copper - solid - Cu
- Silver - solid - Ag
- Gold - Solid - Au
- Mercury - liquid - Hg
Are metals usually good or bad conductors of heat and electricity?
Metals are usually good heat and electricity conductors
What are 3 properties of metals?
- sonorous
- lustrous
- malleable
What are the 3 alkali metals?
- Lithium
- Sodium
- Potassium
As you go down the Alkali group wha5 happens to the reactivity?
It increases
When reacting to water, what does alkali metals form?
They form an alkali (high ph)
