Chemicalmisconceptions33 Wordequations Targetlevel Thesematerialsaredesignedforusewith11–14yearoldstudentswhohavebeen taughttousewordequations.Thematerialswillalsobeusefulfor14–16yearolds studentswhoneedtorevisitthistopic. Topic Usingwordequationstorepresentchemicalreactions. Rationale Manystudentsfinditdifficulttowri...
Directions:Writeabalancedchemicalequationtorepresentthechemicalreactiondescribed. 1.Elementalboronisproducedinoneindustrialprocessbyheatingdiborontrioxide(B 2 O 3 )with magnesiummetal.Magnesiumoxideisalsoproducedasaby-productofthisreaction. BalancedEquation
equation 方程式 ethanoic acid 乙酸 filament 灯丝 formula (pl. formulae) 化学式(用元素符号来表示物质组成的式子) granule 颗粒 Group Ⅰ- the alkali metal 第一族,碱金属 Group Ⅱ-the alkaline earth metal 第二族,碱土金属 Group Ⅲ- 第三族 Group Ⅳ-Carbonic Group 碳族 Group Ⅴ-Nitric Group 氮族...