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WorksheetsDo Now - AP - Periodic Trends
Total questions: 18
Worksheet time: 12mins
According to Coulomb's Law, what variable has the greatest effect on force of attraction?
k = constant
q1 = (usually) positive charge
q2 = (usually) negative charge
r = distance between charged particles
According to Coulomb's Law, what variable has the greatest effect on force of attraction as you go ACROSS the period in the periodic table?
k = constant
q1 = (usually) positive charge
q2 = (usually) negative charge
r = distance between charged particles
According to Coulomb's Law, what variable has the greatest effect on force of attraction as you go DOWN the period in the periodic table?
k = constant
q1 = (usually) positive charge
q2 = (usually) negative charge
r = distance between charged particles
Match the following (This question might mark it wrong even when you have it right, but this is really just an attempt to diagnose the issue)
Atomic Radius
# of protons
Effective Nuclear Charge
# of protons and neutrons
Atomic Mass
e- between an e- and the nucleus
Valence Electrons
e- farthest from the nucleus
Electron Shielding
Distance between nucleus and valence e-
Which of the following has the greatest atomic radius?
H
Li
K
Na
Which of the following has the greatest atomic radius?
K
Ca
Zn
Kr
Match the following (again, a trial question but do try and get it right)
Electron Affinity
Amount of energy to remove an e-
Ionic Radius
Amount of energy released by gaining an e-
Electronegativity
Attraction to e- in a covalent bond
Ionization Energy
Change in radius when gaining/losing an e-
Which of the following has the SMALLEST ionic radius?
F1-
Al3+
K+
I-
Which of the following has the LARGEST ionic/atomic radius?
Xe
Ba2+
Te2-
I-
Which of the following electron configurations gives rise to the largest increase between the second and third ionization energies?
1s2 2s2 2p2
1s2 2s2 2p6 3s1
1s2 2s2 2p6 3s2
1s2 2s2 2p1
Given the following ionization energies, how many valence electrons does this atom have?
I1: 1086
I2: 2350
I3: 4620
I4: 6220
I5: 38,000
I6: 47,261
2
3
4
5
Given the following ionization energies for an atom, determine the atom's identity?
I1: 899
I2: 1757
I3: 14,850
I4: 21,005
Li
Be
B
C
Where is there a big jump of ionization energy increase for successive ionizations of the element Iodine(I) and why?
between 6 and 7 because Iodine has 7 valence electrons
between 7 and 8 because Iodine has 7 valence electrons
between 6 and 7 because Iodine has 6 valence electrons
between 7 and 8 because Iodine has 8 valence electrons
How many valence electrons does this atom have?
4
2
1
3
F, N, B
Given: Na, Cl, Ba, and Al.
Which has the greatest electron affinity to form negative ions?
Na
Cl
Ba
Al
