2.876 kelime ve ifade · 21 konu
mass of substance per mole
摩尔质量
si unit of amount of substance
摩尔；物质的量的国际单位制单位
neutral group of chemically bonded atoms
分子
react acid and base to reduce acidic or basic effect
中和
electrically neutral particle in atomic nucleus
中子
element without typical metallic properties
非金属；非金属元素
carbon based compound in organic chemistry
有机化合物
loss of electrons or increase in oxidation state
氧化；氧化反应
compound of oxygen with another element
氧化物
undergo or cause increase in oxidation state
氧化；使氧化
small unit or piece of material
粒子；颗粒
ordered chart of chemical elements
元素周期表
logarithmic measure related to hydrogen ion activity
pH；酸碱度指标
instrument for transferring small liquid volumes
移液管；移液器
polymer based material shaped during manufacture
塑料
substance with large molecules of linked units
聚合物；高分子
agreement among repeated measurement results
精密度
substance formed by a chemical reaction
生成物；反应产物
positively charged particle in atomic nucleus
质子
material with fixed chemical composition
纯净物
undergo a chemical change
发生化学反应
starting substance changed in chemical reaction
反应物
speed of change in reactants or products
反应速率
gain of electrons or decrease in oxidation state
还原；还原反应
reaction that can proceed in both directions
可逆反应
protective eyewear enclosing eye area
安全护目镜
containing equilibrium limit of dissolved solute
饱和的
digit retained to express measurement detail
有效数字
state with definite shape and volume
固体
equilibrium amount that can dissolve under conditions
溶解度
material with fixed chemical composition
纯净物
İngilizce tanım matter with a definite chemical composition that is not a mixture of different substances
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