Potassium, K, is in group 1A on the modern periodic table.
a) Name one other element with physical and chemical has properties similar to potassium.
b) List two properties that are similar among potassium and the elements you've chosen in (a)
c) Predict how an neutral atom of potassium would ionize to combine with fluorine.
Chemistry Help?
2018-01-23 8:33 am
回答 (1)
2018-01-23 4:59 pm
✔ 最佳答案
a)sodium
b)
• Both potassium and sodium are soft and can be cut by using a knife.
• Both potassium and sodium can react with cold water to give hydrogen gas and a alkaline solution of hydroxide.
c)
Potassium atom releases the outermost electron to become potassium ion. Fluorine atom gains the electron to become fluoride ion.
A huge number potassium and fluoride ions form the lattice of potassium fluoride.
收錄日期: 2021-04-18 18:05:30
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20180123003327AA8pKrO