Chapter 4
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| What is electron affinity (Eea), and what's its periodic trend? | It is the energy generally released when an electron is added to an atom.
F has a high Eea.
🗑
|
||||
| Rank these elements according to first ionization energy from highest to lowest. F, O, C, Be, Li, Ne | Ne, F, O, C, Be, Li
🗑
|
||||
| Rank these elements according to first ionization energy from highest to lowest. As, P, Sb, N | N, P, As, Sb
🗑
|
||||
| Order Cl, Cs, Na, and Si in terms of increasing electron affinity (absolute values). | Cs, Na, Si, Cl
🗑
|
||||
| Determine the number of valence electrons for each of the following atoms. C, P, O, Ar | 4, 5, 6, 8
🗑
|
||||
| Answer the questions about the characteristics of the elements in Group 1 (the alkali metals). 1. How does this group react with Br? 2. How do these react with water? 3. How do they react with O? 4. Which reacts most vigorously? Li, Na, K, Rb, Cs | 1. A salt is formed (MBr)
2. Violently/rapidly to release hydrogen gas
3. Rapidly to form an oxide
4. Cs
🗑
|
||||
| Answer the questions about the characteristics of the elements in Group 2 (the alkaline earths). 1. How do they react with Iodine? 2. How do they react with water? 3. How do they react with oxygen? 4. Which reacts most vigorously? Be, Mg, Ca, Sr, Ba | 1. A salt is formed (MI)
2. violently/rapidly (less violent than grp 1A) to release hydrogen gas
3. An oxide is formed (2MO)
4. Ba
🗑
|
||||
| What is the chemical formula for the compound formed between barium and iodine? | BaI2 (subscript 2)
🗑
|
||||
| What is the chemical formula for the compound between barium and oxygen? | BaO
🗑
|
||||
| Identify the generic outer electron configuration for the halogens. | ns2np5
🗑
|
||||
| What element forms an ion with an electronic configuration of [Kr] and a –2 charge? | Se
🗑
|
||||
| Predict the ground-state electron configuration of the following ions. Write your answers in abbreviated form, that is, beginning with a noble gas in brackets. Ru2+ (superscript 2+) W3+ (superscript 3+) | Ru: [Kr]4d6 (superscript 6)
W: [Xe]4f14 5d3 (4f superscript 14, 5d superscript 3)
🗑
|
||||
| How many unpaired electrons are there in Er3+ ? | 3
🗑
|
||||
| Rank these atoms and ions according to radius from smallest to largest. Rb- Rb+ Rb | Rb+, Rb, Rb-
🗑
|
||||
| Which of the following ions are isoelectronic with Xe? I-, Rb+, Te2+, Ba2+ | I-, Ba2+
🗑
|
||||
| Which of these are ionic compounds? BrCl NH3 LiBr CaO SO2 Nh4Cl | NH4Cl, LiBr, CaO
🗑
|
||||
| Rank these ions according to ionic radius. As3-, Se2-, As3-, Sr2+, Rb+ | Sr2+, Rb+, Br-, Se2-, As3-
🗑
|
||||
| Which of the following would be expected to have the smallest lattice energy? SrI2, Na2S, KBr, MgCl2, InSb, AlCl3, RbI | RbI
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
eacrick