t6 p1
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
卡片预览 (13 张)
there are _ elements identified as today
118
elements in a compound is held tgt by _____
chemical bonds
ionic bonds forms when _
atoms are transferred permanetly to another atom
ionic compound can ___________ in solution
conduct electricity
ionic compound involves ____ and _______
metal and non-metals
covalent / molecular bonds involves _________
non-metals
in ionic bonds, electrons are _____ or______
donated or reserved
in covalent/ molecular bonds, electrons are _____
shared
ionic bonds are strong/weak bc
strong bc ionic bonds are in solid state at room temperature
covalent or molecular bonds are strong/ weak bc
weak bc molecular compound can be gases/liquid/solid state at room temperature
ion is an atom that has become __________________ bc it has lost or gained electrons
electrically charged
positive ions is called
cation
negative ion is called
anion