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Armarni Thompson
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Decks in this class (19)
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...
9
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,
0
cards
b) elements with similar properties are placed in the same vertical columns called groups
0
cards
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Edexcel Combined Science (chemistry)
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