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WorksheetsPeriodic Trends
Total questions: 10
Worksheet time: 5mins
As you move down the periodic table the atomic radius gets bigger. This is because...
The atoms have more mass.
The atoms have more protons.
The atoms have more neutrons.
The atoms have more energy levels.
Elements that have a high electronegativity
Give up their electrons easily.
Have a higher attraction between nucleus and electrons.
Have more electron shells.
Ionisation energy is..
The energy required to add an electron to an atom.
The energy required to shield the outer electrons from the nucleus.
How much energy it takes to remove an electron from a mole of atoms.
A measure of the ability of an atom to attract a pair of electrons.
What has the greatest electronegativity out of Cl and Al?
Cl
Al
Down a group, atomic radii .....
Increases
Decreases
Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.
Decreases, increases
Increases, increases
Increases, decreases
Stays the same, increases
What has the largest radius out of Cl and Cl-?
Cl
Cl-
Across a period, ionisation energies..
Decrease
Increase
What has the largest atomic radius?
Li
Be
C
F
What has the lowest electronegativity?
Li
H
Cs
K
