499242
Description
Quiz by mia.rigby, updated more than 1 year ago
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Created by eoin.examtime
over 10 years ago
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Copied by mia.rigby
over 10 years ago
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Question 1
Question
The Ionisation energy increases going down a period and across a group
Answer
- True
- False
Question 2
Question
Define electronegativity
Answer
-
The number of electrons in an element
-
the relative attraction of an atom for shared pairs of electrons in a covalent bond.
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The electronic conductivity of an element
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The level of negativity of an element in an ionic bond
Question 3
Question
Who contributed to the advancement of knowledge on the periodic table
Answer
-
Mendeleev
-
Dobreiner
-
Newton
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Einstein
-
Moseley
Question 4
Question
Which of these are groups in the periodic table?
Answer
-
Halogens
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Metal alloys
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Alkaline metals
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Triad minerals
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Noble gases
Question 5
Question
Define Atomic Number?
Answer
-
The number of atoms in an element
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The number of electrons an atom uses in a chemical reaction
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The number of protons in the nucleus of an atom
-
The number of protons and neutrons in the nucleus of an atom
Question 6
Question
Noble gases are the most reactive of the groups
Answer
- True
- False
Question 7
Question
Second ionisation energy of an atom is usually higher than the first ionisation energy of an atom
Answer
- True
- False
Question 8
Question
Define Atomic mass number
Answer
-
The number of protons and neutrons in the nucleus of an atom of that element
-
The number of protons in the nucleus of an element
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The number of electrons in a covalent bond of the element
-
The mass of the nucleus of an element
Question 9
Question
Define isotope?
Answer
-
atoms with the same number of protons and neutrons
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Isotopes are atoms of the same element that have different mass numbers due to different numbers of neutrons in the nucleus
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Atoms of the same element with a different number of protons and electrons
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Atoms of an element which have no neutrons in the nucleus
Question 10
Question
An increase in atomic radius will lead to which of these?
Answer
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increase in ionisation energy
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increase in reactivity
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decrease in reactivity
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decrease in ionisation energy
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