1.What is the chemical formula for the compound formed between tin(II) and iodin

Question

1.What is the chemical formula for the compound formed between tin(II) and iodine?

2.What is the name of the compound with the chemical formula Rb2Se? Spelling counts!

3.What is the chemical formula for the compound formed between sodium and iodine?

4.What element forms an ion with an electronic configuration of 1s22s22p63s23p63d104s24p6 (or [Kr]) and a –2 charge?

5. Enter the full electron configuration for P3–.

6. While driving your rental car on your trip to Europe, you find that you are getting 8.7

kilometers per liter of gasoline. What does this correspond to in miles per gallon?

6. A carpet sells for $21.99 a square yard. What is the price of the carpet per square meter?

7. How much will it cost to carpet an area 1533 square feet?

8. Consider a cloudless day when the sun shines down across the United States. If 2293 kJ of energy reaches a square meter (m2) of the United States in one hour, how much total solar energy reaches the entire United States per hour? The entire area of the United States is 9,158,960 km2.

1.What is the chemical formula for the compound formed between tin(lI) and iodine? 2.What is the name of the compound with the chemical formula Rb2Se? Spelling counts! 3.What is the chemical formula for the compound formed between sodium and iodine? 4.What element forms an ion with an electronic configuration of 1s22s22p63s23p63d104s24p6 (or [Krl) and a -2 charge? 5. Enter the full electron configuration for P3- 6. While driving your rental car on your trip to Europe, you find that you are getting 8.7 kilometers per liter of gasoline. What does this correspond to in miles per 6. A carpet sells for $21.99 a square yard. What is the price of the carpet per square meter? 8. Consider a cloudless day when the sun shines down across the United States. If 2293 kJ of energy reaches a square meter (m2) of the United States in one hour, how much total solar energy reaches the entire United States per hour? The entire area of the United States is 9,158,960 km2.

Explanation / Answer

Answer 1) the reaction for the compound formed between tin(II) and iodine is :

Sn (s) + 2 I (s) -----------------> SnI2 (s)

because

Sn has two valence electrons to donate

and

Iodine used to accept one elctrons

thus

the chemical formula for the compound formed between tin(II) and iodine is : SnI2.

Answer 2 )

we know that

Rb is rubidium

and

Se is selenium

and for a given compound , we use perfix first then cation and then anion with -ide added

therefore

the name of the compound with the chemical formula Rb2Se is : Dirubidium selenide.

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