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Armarni Thompson
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Decks in this class (42)
Topic 1 - Key Concepts in Chemistry
What is an anion 1,
What is an atom 2,
What is an atomic nucleus 3
46
cards
1.1 Describe how the Dalton model of an atom has changed over time because of the discovery of subatomic particles
Who published the three part atom...,
What is the first part of dalton ...,
What is the second part of dalton...
13
cards
1.2 Describe the structure of an atom as a nucleus containing protons and neutrons, surrounded by electrons in shells
0
cards
1.3 Recall the relative charge and relative mass of protons, neutrons And Electrons
What is the relative charge of a ...,
What is the relative charge of a ...,
What is the relative charge of an...
6
cards
1.4 Explain why atoms contain equal number of protons and electrons
Why do atoms contain equal number...
1
cards
1.5 Describe the nucleus of an atom as a very small compared to the overall size of the atom
What is the nucleus of an atom 1,
True or false the nucleus is larg...,
Fill in the blank the nucleus is ...
25
cards
1.6 Recall that most of the mass of an atom is concentrated in the nucleus
What part of the atom contains mo...,
True or false electrons contribut...,
Fill in the blank the nucleus is ...
25
cards
1.7 Recall the meaning of the term mass number of an atom • Mass (nucleon) Number = number of protons + neutrons
What is the mass number of an atom 1,
True or false the mass number is ...,
Fill in the blank the mass number...
25
cards
1.8 Describe atoms of a given element as having the same number of protons in the nucleus and that this number is unique to that element
What defines the identity of an e...,
What are isotopes 2,
What is the atomic number 3
8
cards
1.9 Describe isotopes as different atoms of the same element containing the same number of protons but different numbers of neutrons in their nuclei
What are isotopes 1,
What defines an element 2,
How do isotopes differ 3
6
cards
1.10 Calculate the numbers of protons, neutrons and electrons in Atoms Given The Atomic Number And Mass Number
What is the atomic proton number 1,
How do you calculate the number o...
2
cards
1.11 Explain how the existence of isotopes results in relative atomic masses of some elements not being whole numbers
What are isotopes 1,
How do isotopes affect relative a...,
What are atomic number and mass n...
5
cards
1.12 (higher tier) Calculate the relative atomic mass of an element from the relative masses and abundances of its isotopes
What isotopes make up a sample of...,
What is the percentage compositio...,
What is the percentage compositio...
6
cards
1.13 Describe how Mendeleev arranged the elements, known at that time, in a periodic table by using properties of these elements and their compounds
How did he order his table 1,
What did he do in some places reg...,
What did he do for undiscovered e...
3
cards
1.14 Describe how Mendeleev used his table to predict the existence and properties of some elements not then discovered
What did mendeleev realize about ...,
What was mendeleev able to do wit...,
What happened to the gaps left by...
3
cards
1.15 Explain that Mendeleev thought he had arranged elements in order of increasing relative atomic mass
What did mendeleev believe about ...,
Why was mendeleev s arrangement n...,
How do isotopes affect the order ...
4
cards
1.16 Explain the meaning of atomic number of an element in terms of position in the periodic table and number of protons in the nucleus
What is the atomic number of an e...,
How are elements arranged in the ...,
What are groups in the periodic t...
12
cards
1.17 Describe that in the periodic table: a) elements are arranged in order of increasing atomic number, in rows called periods and elements,
What is a chemical symbol 1,
What is atomic radius 2,
What is ionization energy 3
27
cards
b) elements with similar properties are placed in the same vertical columns called groups
What are vertical columns in the ...,
True or false elements in the sam...,
Fill in the blank elements with s...
45
cards
1.19 Predict the electronic configurations of the first 20 elements
What does the electronic configur...,
How many electrons does sodium ha...,
How can sodium s electronic confi...
6
cards
1.21 Explain how ionic bonds are formed by the transfer of electrons between atoms to produce cations and anions, including the use of dot and cross diagrams
What happens to metal atoms in io...,
What happens to nonmetal atoms in...,
How can electron transfer in ioni...
3
cards
1.22 Recall that an ion is an atom or group of atoms with a positive or negative charge
What is an ion 1,
How is a positive ion formed 2,
How is a negative ion formed 3
3
cards
1.23 Calculate the numbers of protons, neutrons and electrons in simple ions given the atomic number and mass number
What is the atomic number 1,
What is the mass number 2,
How does the number of protons re...
5
cards
1.24 Explain the formation of ions in ionic compounds from their atoms, limited to compounds of elements in groups 1, 2, 6 and 7
What electronic structure do ions...,
What type of ions do group 1 meta...,
What type of ions do group 2 meta...
6
cards
1.25 Explain the use of the endings -ide and -ate in the names of compounds
What do the endings ide indicate 1,
What do the endings ate indicate 2
2
cards
1.26 Deduce the formulae of ionic compounds (including oxides, hydroxides, halides, nitrates, carbonates and sulfates) given the formulae of the constituent ions
What is the formula for an oxide ...,
What is the formula for a hydroxi...,
What is the formula for a halide ...
6
cards
1.27 Explain the structure of an ionic compound as a lattice structure:
What is a giant structure of ions...,
What holds ionic compounds togeth...,
What is ionic bonding 3
5
cards
1.28 Explain how a covalent bond is formed when a pair of electrons is shared between two atoms
What occurs in most non metallic ...,
What do atoms form when they shar...,
How would you describe the streng...
3
cards
1.29 Recall that covalent bonding results in the formation of molecules
What are simple molecules 1,
What are polymers 2,
What are giant covalent structures 3
10
cards
1.30 Recall the typical size (order of magnitude) of atoms and small molecules
What do simple molecular substanc...,
How do the sizes of atoms compare...
2
cards
1.31 Explain the formation of simple molecular, covalent substances, using dot and cross diagrams
Top left hydrogen h 1,
Top right hydrogen chloride hcl 2,
Middle left water h o 3
6
cards
1.32 Explain why elements and compounds can be classified as:
What is the boiling point 1,
What is the melting point 2,
What is metallic bonding 3
33
cards
1.33 Explain the properties of ionic compounds limited to: high melting points and boiling points, in terms of forces
What are ionic compounds 1,
Do ionic compounds conduct electr...,
When can ionic compounds conduct ...
6
cards
1.34 Explain the properties of typical covalent, simple molecular compounds limited to:
What causes poor conduction of el...,
What do low boiling points indica...,
Why do simple molecular compounds...
6
cards
1.35 Recall that graphite and diamond are different forms of carbon and that they are examples of giant covalent substances 1.36 Describe the structures of graphite and diamond
What is the structure of diamond 1,
What are the properties of diamond 2,
What is the bonding structure of ...
8
cards
1.37 Explain, in terms of structure and bonding, why graphite is used to make electrodes and as a lubricant, whereas diamond is used in cutting tools
What is a use of graphite 1,
How does graphite function as a l...,
What is a use of diamond 3
3
cards
1.38 Explain the properties of fullerenes including Co and graphene in terms of their structures and bonding
What is graphene 1,
What are fullerenes 2,
What is the first fullerene disco...
5
cards
1.39 Describe, using poly(ethene) as the example, that simple polymers consist of large molecules containing chains of carbon atoms
What are polymers 1,
What is an example of a simple po...,
What do the molecules in polymers...
6
cards
1.40 Explain the properties of metals, including malleability and the ability to conduct electricity
What does malleable mean 1,
What property allows metals to co...
2
cards
1.41 Describe the limitations of particular representations and models,
What is a main limitation of dot ...,
What do dot cross diagrams fail t...,
What is a limitation of 2d diagra...
4
cards
1.42 Describe most metals as shiny solids which have high melting points, high density and are good conductors of electricity
What are non metals 1,
What are metals 2
2
cards
1.43 Calculate relative formula mass given relative atomic masses
What is the relative formula mass...,
How do you calculate the relative...,
What is the relationship in a bal...
3
cards
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Edexcel Combined Science (chemistry)
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