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WorksheetsAQA Chemistry Topic 1, 2 and 3: Atomic Structure and the Periodic Table, Bonding, Structure, and the Properties of Matter, and Quantitative Chemistry
Total questions: 72
Worksheet time: 2hrs 36mins
What is the Charge of a Proton?
Positive Charge
Negative Charge
Neutral Charge
What is the Charge of an Electron?
Positive Charge
Negative Charge
Neutral Charge
What is the Charge of a Neutron?
Positive Charge
Negative Charge
Neutral Charge
What does the Nucleus of an atom contain?
Protons
Electrons
Neutrons
Relative Atomic Mass = sum of (isotope abundance x isotope mass number/ sum of all abundances of all the isotopes
ANSWER
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What is a compound?
A substance formed from a two or more elements held by chemical bonds
A mixture of two or more chemicals which provides a useful outcome
What is a Mixture?
A substance formed from a two or more elements held by chemical bonds
A mixture of elements or compounds which can be physically separated
Which one is Filtration?
Used if the product is an insoluble solid and needs to be separated from a liquid. Uses filter paper
Used if the product is a soluble solid. Its placed in an evaporating basin and heated until crystals form
Used if the product is a soluble solid. Its placed in an evaporating basin and heated until start crystals forming then the heat is removed letting the crystals form while cool. Its then Filtered out
Which one is Evaporation?
Used if the product is an insoluble solid and needs to be separated from a liquid. Uses filter paper
Used if the product is a soluble solid. Its placed in an evaporating basin and heated until crystals form
Used if the product is a soluble solid. Its placed in an evaporating basin and heated until start crystals forming then the heat is removed letting the crystals form while cool. Its then Filtered out
Which one is Crystalisation?
Used if the product is an insoluble solid and needs to be separated from a liquid. Uses filter paper
Used if the product is a soluble solid. Its placed in an evaporating basin and heated until crystals form
Used if the product is a soluble solid. Its placed in an evaporating basin and heated until start crystals forming then the heat is removed letting the crystals form while cool. Its then Filtered out
What is Simple Distillation used for?
Separating out Solutions
Separating out a Mixture of Liquids
What is Fractional Distillation used for?
Separating out Solutions
Separating out a Mixture of Liquids
Which one is Simple Distillation?
Solution is Heated. The part with the lowest boiling point evaporates, gets cooled and Condenses and gets collected.
Mixture of liquids is Heated. They rise through a fractionating column the lowest boiling point is collected, temperature is raised and then the next one is collected.
Which one is Fractional Distillation?
Solution is Heated. The part with the lowest boiling point evaporates, gets cooled and Condenses and gets collected.
Mixture of liquids is Heated. They rise through a fractionating column the lowest boiling point is collected, temperature is raised and then the next one is collected.
What is the first step in developing the modern day model of an atom?
John Dalton published his ideas about atoms. He thought that all matter was made of tiny particles called atoms, which he imagined as tiny spheres that could not be divided.
J J Thomson carried out experiments and discovered the electron. He made the plum pudding model of the atom. In this model, the atom is a ball of positive charge with negative electrons embedded in it.
Ernest Rutherford did the alpha scattering experiment through which he discovered that the mass of an atom is concentrated at its centre and the nucleus is positively charged. He called it the nuclear model.
Niels Bohr did calculations that led him to suggest that electrons orbit the nucleus in shells. The shells are at certain distances from the nucleus.
James Chadwick found evidence for the existence of particles in the nucleus with mass but no charge. These particles are called neutrons.
What is the second step in developing the modern day model of an atom?
John Dalton published his ideas about atoms. He thought that all matter was made of tiny particles called atoms, which he imagined as tiny spheres that could not be divided.
J J Thomson carried out experiments and discovered the electron. He made the plum pudding model of the atom. In this model, the atom is a ball of positive charge with negative electrons embedded in it.
Ernest Rutherford did the alpha scattering experiment through which he discovered that the mass of an atom is concentrated at its centre and the nucleus is positively charged. He called it the nuclear model.
Niels Bohr did calculations that led him to suggest that electrons orbit the nucleus in shells. The shells are at certain distances from the nucleus.
James Chadwick found evidence for the existence of particles in the nucleus with mass but no charge. These particles are called neutrons.
What is the third step in developing the modern day model of an atom?
John Dalton published his ideas about atoms. He thought that all matter was made of tiny particles called atoms, which he imagined as tiny spheres that could not be divided.
J J Thomson carried out experiments and discovered the electron. He made the plum pudding model of the atom. In this model, the atom is a ball of positive charge with negative electrons embedded in it.
Ernest Rutherford did the alpha scattering experiment through which he discovered that the mass of an atom is concentrated at its centre and the nucleus is positively charged. He called it the nuclear model.
Niels Bohr did calculations that led him to suggest that electrons orbit the nucleus in shells. The shells are at certain distances from the nucleus.
James Chadwick found evidence for the existence of particles in the nucleus with mass but no charge. These particles are called neutrons.
What is the fourth step in developing the modern day model of an atom?
John Dalton published his ideas about atoms. He thought that all matter was made of tiny particles called atoms, which he imagined as tiny spheres that could not be divided.
J J Thomson carried out experiments and discovered the electron. He made the plum pudding model of the atom. In this model, the atom is a ball of positive charge with negative electrons embedded in it.
Ernest Rutherford did the alpha scattering experiment through which he discovered that the mass of an atom is concentrated at its centre and the nucleus is positively charged. He called it the nuclear model.
Niels Bohr did calculations that led him to suggest that electrons orbit the nucleus in shells. The shells are at certain distances from the nucleus.
James Chadwick found evidence for the existence of particles in the nucleus with mass but no charge. These particles are called neutrons.
What is the fifth step in developing the modern day model of an atom?
John Dalton published his ideas about atoms. He thought that all matter was made of tiny particles called atoms, which he imagined as tiny spheres that could not be divided.
J J Thomson carried out experiments and discovered the electron. He made the plum pudding model of the atom. In this model, the atom is a ball of positive charge with negative electrons embedded in it.
Ernest Rutherford did the alpha scattering experiment through which he discovered that the mass of an atom is concentrated at its centre and the nucleus is positively charged. He called it the nuclear model.
Niels Bohr did calculations that led him to suggest that electrons orbit the nucleus in shells. The shells are at certain distances from the nucleus.
James Chadwick found evidence for the existence of particles in the nucleus with mass but no charge. These particles are called neutrons.
What ions do Metals form when they react?
Positive Ions
Negative Ions
Select all the properties of a Metal:
Strong
Malleable
Conductive
Brittle
Select the 3 things that describe Group 1 Elements as you go DOWN the group:
More Reactive
Lower Melting/Boiling Point
Higher relative atomic mass
Less Reactive
Higher Melting/Boiling Point
Select the 3 things that describe Group 7 Elements as you go DOWN the group:
More Reactive
Lower Melting/Boiling Point
Higher relative atomic mass
Less Reactive
Higher Melting/Boiling Point
Which one describes a reaction between a Group 1 metal and Water?
Vigorous Reaction to produce Hydrogen Gas and a Metal Hydroxide
Vigorous Reaction when Heated to form Metal Chloride Salts
Reacts to form a Metal Oxide
Which one describes a reaction between a Group 1 metal and Chlorine?
Vigorous Reaction to produce Hydrogen Gas and a Metal Hydroxide
Vigorous Reaction when Heated to form Metal Chloride Salts
Reacts to form a Metal Oxide
What happens to the Boiling point of Nobel Gases as you go Down the Group?
Increases
Decreases
What is Ionic Bonding?
Happens when a Metal and a Non-Metal react together. They form oppositely charged ions and get strongly attracted by electrostatic forces.
Happens when two Non-Metals react together. They share the electrons in their outer shells forming bonds.
Happens when two Metals react together. The electrons in the outer shell are delocalised causing a strong attraction between the positive metal ions and the negative electrons.
What is Covalent Bonding?
Happens when a Metal and a Non-Metal react together. They form oppositely charged ions and get strongly attracted by electrostatic forces.
Happens when two Non-Metals react together. They share the electrons in their outer shells forming bonds.
Happens when two Metals react together. The electrons in the outer shell are delocalised causing a strong attraction between the positive metal ions and the negative electrons.
What is Metallic Bonding?
Happens when a Metal and a Non-Metal react together. They form oppositely charged ions and get strongly attracted by electrostatic forces.
Happens when two Non-Metals react together. They share the electrons in their outer shells forming bonds.
Happens when two Metals react together. The electrons in the outer shell are delocalised causing a strong attraction between the positive metal ions and the negative electrons.
Which one is True?
Ionic Compounds have a Giant Ionic Lattice they have Strong Electrostatic forces of attraction between oppositely charged ions in the lattice.
Ionic Compounds have a Giant Ionic Lattice they have Strong Magnetic forces between the ions in the lattice.
Which one is Diamond?
Each Carbon atom forms four covalent bonds in a rigid Covalent structure
Each Carbon atom forms three covalent bonds to create hexagonal layers. Each carbon atom has one delocalised electron
A giant covailant structure of silicon and oxygen
Which one is Graphite?
Each Carbon atom forms four covalent bonds in a rigid Covalent structure
Each Carbon atom forms three covalent bonds to create hexagonal layers. Each carbon atom has one delocalised electron
A giant covailant structure of silicon and oxygen
Which one is Silicon Dioxide(Sand) ?
Each Carbon atom forms four covalent bonds in a rigid Covalent structure
Each Carbon atom forms three covalent bonds to create hexagonal layers. Each carbon atom has one delocalised electron
A giant covailant structure of silicon and oxygen
Select the Correct equation for calculating concentration in g/dm^3
concentration = mass of solute / volume of solvent
concentration = moles of solute / volume of solvent
Select the Correct equation for calculating concentration in mol/dm^3
concentration = mass of solute / volume of solvent
concentration = moles of solute / volume of solvent
Iron forms an oxide with the formula Fe2O3.
What is the relative formula mass of this compound?
A 76
B 100
C 136
D 160
The structure of an organic compound, X, is shown.
What is the molecular formula of X?
A C6H9
B C6H12
C C7H12
D C7H14
Which relative molecular mass, Mr, is not correct for the molecule given?
A
B
C
D
