The electrostatic bonding between metals and non metal by the complete transfer of electron(s)
What is ionic bonding?
200
The positive particle found in the nucleus of an atom
What is a proton?
200
Groups
What are the rows in the periodic table called?
200
Halogens
What are elements in group 7 called?
200
Chromatography
How can separate a mixture using a solvent?
200
The bonding between non-metals which involves electrons being shared
What is covalent bonding?
300
The number of neutrons and protons in the nucleus.
What is the mass number?
300
Period
What are the columns in the periodic table called?
300
As you move down the groups, the reactivity of metals increases
Describe the trend in the reactivity of metals as you move down the group
300
Distillation
How can you separate a mixture of liquids?
300
Sand (silicon dioxide), diamond, graphite and buckminster fullerene
Name 4 giant covalent compounds
400
Lithium, Sodium, Potassium, Rubidium, Caesium and Francium
Name the elements in group 1
What are the elements in group 1?
400
By their similar properties and reactions
How are elements arranged in their groups in the periodic table?
400
Alkali metals react violently with water to produce hydrogen gas, because they lose the electron in their outer shell easily
Explain a property of alkali metals
400
Turns limewater cloudy
What is the test for carbon dioxide?
400
When melted or dissolved in water THEY conduct electricity because the ions are free to flow.
Explain why ionic compounds are able to conduct electricity
500
Protons and neutrons are found in the nucleus, whilst the electrons are found in shells orbiting the nucleus.
Where are the atomic particles found in an atom?
500
Dmitri mendeleev
Who designed the first periodic table?
500
Pop sound
What is the test for Hydrogen gas
500
The mixture of liquids A and B are heated until liquid A reaches its boiling point and is a gas. In the condensation tube, liquid A condenses back into a liquid.
Explain how distillation works
500
They can be used in medicine for drug deliver, in sun creams, in deodorants and in farbic to prevent the growth of bacteria.