Introduction to the Alkali Metals Part A Learning Goal Predict the product(s) of

Question

Introduction to the Alkali Metals Part A Learning Goal Predict the product(s) of the following reaction: The equation is not necessarily balanced Express your answer as a chemical formula. If no reaction occurs, enter noreaction Cs + Br2 To be able to predict the products of some alkali metal reactions The alkali metals are in the first group of the periodic table and include lithium, sodium, potassium, rubidium, cesium, and francium. They all have the nst valence electron configuration and are electropositive metals. Therefore, they lose one electron easily to form +1 ions. Alkali metals also react with halogens to form metal halides Hints Alkali metals have a number of unique properties 1. Francium, the heaviest alkali metal, is radioactive. With a half-life of 22 minutes, not much is known about Fr Product of Cs Br2 is chemistry react with nitrogen to form Li3N Therefore, they absorb water easily and can be used as 2. Of all the alkali metals, only lithium is small enough to Submit My Answers Give Up 3. Lithium and sodium tend to form complexes with water. drying agents Part B 4. Cesium and francium have melting points below 30 °C Predict the products of the following reaction The equation is not necessarily balanced Express your answer as a chemical formula. If no reaction occurs, enter noreaction. They are among the few metals that are liquid or near liquid at room temperature 5. Only the lighter alkali metals can react to form organometallic compounds that contain metal-carbon bonds Hints Product of Rb N2 is Submit My Answers Give Up

Explanation / Answer

Solution:

PartA:

2Cs + Br2 <---> 2 CsBr

PART B:

Rb + N2 -----> No reaction

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