liltay12386
10.11.2020 •
Chemistry
(1) The element Francium is extremely rare and very little is known about its chemical
and physical properties. Use the following data to estimate its density and
ionization energy:
Rb
Cs
Density (g/cm
0.86
Ionization energy (KJ/mol) 419
1.53
403
1.87
375
(i) State the group and period of the periodic table to which the following two
elements belong?
( Xe 6s-45d2
(B) [Ne] 3s 3p
Solved
Show answers
More tips
- A Auto and Moto Battle for the Relocation of The Cherkizovsky Market: Who Won?...
- F Food and Cooking Homemade kvass: recipe and brewing process...
- O Other What is a Disk Emulsifier and How Does it Work?...
- H Health and Medicine How to Calm Your Nerves? Expert Tips That Actually Work...
- A Animals and plants 5 Tips for Taking Care of Yews to Keep Them Green and Beautiful...
- S Sport How to wrap boxing hand wraps? Everything you need to know!...
- F Food and Cooking 10 Reasons Why You Should Avoid Giving Re-Gifts: An Informative Guide...
- F Family and Home Tender Care for Your Parquet: Is it Possible to Clean Parquet?...
- S Style and Beauty How Are Eyelash Extensions Applied? All Your Questions Answered...
- F Food and Cooking 10 Tips for Proper Sushi Consumption...
Answers on questions: Chemistry
- C Chemistry Ernest Rutherford s discovery led to the understanding that atoms consist mostly of empty space with...
- C Chemistry According to your textbook, how many of the following are properties of covalent compounds: a. *can be gas, liquid or solid at room temperature b. *does not conduct...
- C Chemistry Explain how an owl captures energy from the sun when it eats a mouse...
- C Chemistry Which of the following reactions is the least energetic? question 18 options: atp + h2o → adp + pi atp + h2o → amp + ppi amp + h2o → adenosine + pi adp + h2o → amp...
- C Chemistry Lead (II) carbonate decomposes to give lead (II) oxide and carbon dioxide: PbCO 3 (s) PbO (s) CO 2 (g) grams of lead (II) oxide will be produced by the decomposition...
- C Chemistry State the five factors that affect solubility and explain how each factor must be changed to increase solubility....
- C Chemistry Draw the lewis structure for bcl3. how many single bonds, double bonds, triple bonds, and unshared pairs of electrons are on the central atom, in that order...
- C Chemistry Astudent dissolves 12.g of sucrose c12h22o11 in 300.ml of a solvent with a density of 1.01/gml . the student notices that the volume of the solvent does not change...
- C Chemistry What quantity of ethylen glycol must be added to 125 g of water to raise the boiling point of 1.0 degrees celsuis...
- H History In ancient Egypt, an individual who could read and write was called a(n) . scribe hygeia asclepia chiron (scribe)...
Ответ:
idk
Explanation:
Ответ: