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CfE Higher Chemistry
CfE Higher Chemistry
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Trends of the periodic table
Flashcards
12 cards
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Questions
12
Answers
1
The covalent radius increases down a group due to.....
increasing nuclear charge
increasing atomic number
Increasing number of electron shells
decreasing nuclear charge
2
The covalent radius decreases across a period due to....
increasing number of electrons
decreasing nuclear charge
increasing nuclear charge
increasing number of electron shells
3
Which is bigger : the sodium atom or the sodium ion?
they're the same size
no idea :)
atom
ion
4
What is the trend in covalent radius down a group in the periodic table?
decreases
No visible trend
stays the same
increases
5
What is the trend in ionisation energy down a group in the periodic table?
no visible trend
stays the same
increases
decreases
6
What is the trend in covalent radius across a period on the periodic table?
no visible trend
stays the same
increases
decreases
7
What is the trend in ionisation energy across a period on the periodic table?
decreases
stays the same
increases
no visible trend
8
What is the trend in electronegativity down a group on the periodic table?
decreases
increases
stays the same
no visible trend
9
Which of the following does NOT exist as a covalent molecule?
sulfur
hydrogen
fluorine
neon
10
Which of the following exist as a covalent network?
chlorine
phosphorous
sulfur
boron
11
Which is bigger: the chlorine atom or the chlorine ion?
they're the same size
still no idea
ion
atom
12
What is the trend in electronegativity across a period on the periodic table?
decreases
no visible trend
stays the same
increases
