I Review | Constants I Periodic Table Figure 1 (Figure 1) plots the first ionization energies of the elements in period 3. The table below lists some of the binary compounds that form between fluorine and the elements in period 3. Reset Help Element Na Mg Al Si P S Cl Ar 1. Moving from left to right across across period 3, electrons populate Compound NaF MGF2 AIF3 PF3 SF2 ClIF the same shell (3s and 3p subshells), and the increase in atomic mass signifies that the force of attraction will increase Figure 2 (Figure 2) plots the electron affinities of the elements of period 3. increases according to Coulomb's law because the the distance between the Use the information provided to answer the following questions. The plot shows first ionization values for all elements in period 3. the concept of nucleus and outermost electrons decreases shielding 2. Therefore, ejecting the outermost electrons requires more the concept of energy as you move right across the periodic table. penetration atomic number Figure 1 of 2 1 periodic law less 1600 1400 - 1200 1000 - Submit 800 600- 400 Part B 200 Na Mg Al Si P ČI Ar There is a decrease in first ionization from Mg to Al. There is an increase in electron affinity from Mg to Al. Explain why this is by completing the statements below. Element Match the words in the left column to the appropriate blanks in the sentences on the right. Make certain each sentence is complete before submitting your answer. First ionization energy (kJ/mol)

Question
I Review | Constants I Periodic Table
Figure 1 (Figure 1) plots the first ionization energies of the elements in
period 3. The table below lists some of the binary compounds that form
between fluorine and the elements in period 3.
Reset Help
Element
Na
Mg
Al Si P
S
Cl Ar
1. Moving from left to right across across period 3, electrons populate
Compound NaF MGF2 AIF3
PF3 SF2 ClIF
the same shell (3s and 3p subshells), and the increase in
atomic mass signifies that the force of attraction will increase
Figure 2 (Figure 2) plots the electron affinities of the elements of period
3.
increases
according to Coulomb's law because the the distance between the
Use the information provided to answer the following questions. The
plot shows first ionization values for all elements in period 3.
the concept of
nucleus and outermost electrons decreases
shielding
2. Therefore, ejecting the outermost electrons requires more
the concept of
energy as you move right across the periodic table.
penetration
atomic number
Figure
1 of 2
1
periodic law
less
1600
1400 -
1200
1000 -
Submit
800
600-
400
Part B
200
Na Mg Al
Si P
ČI
Ar
There is a decrease in first ionization from Mg to Al. There is an increase in electron affinity from Mg to Al. Explain why this is by completing the
statements below.
Element
Match the words in the left column to the appropriate blanks in the sentences on the right. Make certain each sentence is complete before
submitting your answer.
First ionization energy (kJ/mol)
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Periodicity in Properties

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I Review | Constants I Periodic Table Figure 1 (Figure 1) plots the first ionization energies of the elements in period 3. The table below lists some of the binary compounds that form between fluorine and the elements in period 3. Reset Help Element Na Mg Al Si P S Cl Ar 1. Moving from left to right across across period 3, electrons populate Compound NaF MGF2 AIF3 PF3 SF2 ClIF the same shell (3s and 3p subshells), and the increase in atomic mass signifies that the force of attraction will increase Figure 2 (Figure 2) plots the electron affinities of the elements of period 3. increases according to Coulomb's law because the the distance between the Use the information provided to answer the following questions. The plot shows first ionization values for all elements in period 3. the concept of nucleus and outermost electrons decreases shielding 2. Therefore, ejecting the outermost electrons requires more the concept of energy as you move right across the periodic table. penetration atomic number Figure 1 of 2 1 periodic law less 1600 1400 - 1200 1000 - Submit 800 600- 400 Part B 200 Na Mg Al Si P ČI Ar There is a decrease in first ionization from Mg to Al. There is an increase in electron affinity from Mg to Al. Explain why this is by completing the statements below. Element Match the words in the left column to the appropriate blanks in the sentences on the right. Make certain each sentence is complete before submitting your answer. First ionization energy (kJ/mol)