
Periodicity Review (Topic 3)
Authored by Brooke Chambers
Chemistry
9th - 12th Grade
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An element is in period 3 and group 15 of the periodic table. How many electrons are present in the highest occupied energy level of this element?
3
5
13
15
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which species has the same configuration of electrons as the Mg2+ ion?
Na atom
F+ ion
Ne atom
O- ion
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which element is a transition metal?
lead, Pb
gallium, Ga
strontium, Sr
iron, Fe
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which is the correct electron configuration for an atom with the atomic number 34?
1s22s22p63s23p63d10
1s22s22p63s23p63d104p6
[Ar]4s23d104p4
[Ar]3d104p6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which best describes the trends of electronegativity values within the periodic table?
The values increase across a period (from left to right) and decrease down a group.
The values increase across a period (from left to right) and increase down a group.
The values decrease across a period (from left to right) and decrease down a group.
The values decrease across a period (from left to right) and increase down a group.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which properties increase in value when descending group 1?
I. First ionization energy
II. Atomic radius
III. Reactivity with water
I and II only
I and III only
II and III only
I, II and III
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The first ionization energies for three consecutive elements in the periodic table are 1251, 1521, and 419 kJ mol-1 respectively. Which elements have these values?
carbon, nitrogen, oxygen
neon, sodium, magnesium
sodium, magnesium, aluminum
chlorine, argon, potassium
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