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פרק 3
מולקולות ותרכובות
Everything in the universe is made up of matter, and matter is composed of a combination of elements. An atom is the smallest unit of an element…
נוסחאות כימיות
A chemical formula presents information about the proportions of atoms constituting a particular chemical compound or molecule, mainly using symbols…
מודלים מולקולרים
Physical models representing molecular architectures of chemical compounds play essential roles in understanding chemistry. The use of molecular…
סיווג של יסודות ותרכובות
Pure substances consist of only one type of matter. A pure substance can be an element or a compound. An element consists of only one type of atom,…
תרכובות יוניות: נוסחאות ונומנקלטורה
An element composed of atoms that readily lose electrons (a metal) can react with an element composed of atoms that readily gain electrons (a…
תרכובות מולקולריות: נוסחאות ונומנקלטורה
Molecular compounds or covalent compounds result when atoms share electrons to form covalent bonds. Since there is no electron transfer, molecular…
תרכובות אורגניות
All living things are formed mostly of carbon compounds called organic compounds. The category of organic compounds includes both natural and…
נוסחא מסה ומול מושגים של תרכובות
Chemical formulas represent the elemental makeup of substances. For covalent compounds, the formula represents the numbers and types of atoms…
קביעה נסיונית של נוסחא כימית
The elemental makeup of a compound defines its chemical identity, and chemical formulas are the most concise way of representing this elemental…
משוואות כימיות
Chemical equations represent the identities and relative quantities of substances involved in a chemical reaction. The substances undergoing reaction…
באמצעות וולטמטריה ציקלית, UV-Vis-ניר EPR Spectroelectrochemistry לנתח תרכובות אורגניות
Cyclic voltammetry (CV) is a technique used in the analysis of organic compounds. When this technique is combined with electron paramagnetic…
סינתזה של חלקיקים מבוססות-Pt/Sn בי-מתכתיים נוזלים יוניים
We demonstrate a method for the synthesis of bimetallic nanoparticles consisting of Pt and Sn. A synthesis strategy is used in which the particular…
מודל מולקולרי אינטראקטיבי הרכבה עם הדפסה תלת-ממדית
With the growth in accessibility of 3D printing, there has been a growing application of and interest in additive manufacturing processes in chemical…

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