2.876 từ và cụm từ · 21 chủ đề
substance that can donate a proton
酸
energy barrier associated with a reaction pathway
活化能
metallic material combining multiple elements
合金
sensitive laboratory instrument for measuring mass
分析天平
having water as the solvent
水溶液的；水溶的
smallest unit retaining identity of element
原子
number of protons in an atomic nucleus
原子序数
substance that can accept a proton
碱；质子受体
wide mouthed laboratory container
烧杯
temperature where vapor pressure matches external pressure
沸点
likely to break with little bending
脆的；易碎裂的
establish measurement relation using reference standards
校准
relationship between instrument readings and reference values
校准；校准过程
substance increasing reaction rate without net consumption
催化剂
increase reaction rate by acting as catalyst
催化
inorganic nonmetallic material often processed with heat
陶瓷材料；陶瓷
interaction holding atoms or ions together
化学键
symbolic representation of chemical composition
化学式
transformation of substances into different substances
化学反应
layer applied to modify a surface
涂层；覆盖层
material combining distinct constituent materials
复合材料
substance with different elements chemically combined
化合物
amount of component relative to quantity of mixture
浓度
damage material through chemical interaction with environment
腐蚀；受到腐蚀
chemical or electrochemical deterioration of material
腐蚀
able to damage material or tissue by chemical action
有腐蚀性的
bond involving shared electron pairs
共价键
mass per unit volume of material
密度
decrease concentration by adding solvent
稀释
process of reducing solution concentration
稀释；稀释过程
Hóa học, vật liệu và khoa học phòng thí nghiệm / Compounds
bond involving shared electron pairs
共价键
Định nghĩa tiếng Anh
a chemical bond in which atoms share one or more pairs of electrons
Trả lời một câu hỏi có từ này trong Đấu thường, Xếp hạng hoặc Luyện solo để mở khóa toàn bộ mục từ.