Over a million students use our free study notes to help them with their homework
Define:A simple covalent compound consists of a small number of non-metal elements covalently bonded together. (1)For example, H2O , CO2, O2. (1)Relate to MP/BP: The small molecules have only weak intermo...
Cracking is when large hydrocarbon molecules are broken down into smaller ones using a catalyst - one alkane and one alkene are formed.Alkanes are hydrocarbons with only single bonds.Alkenes have one doub...
Two or more elements or compounds that are not chemically combined together, wherein the chemical properties of each substance remains unchanged.
The products are a salt and hydrogen, MgCl2 and H2.The balanced equation is: Mg + 2HCl -> MgCl2 + H2This is a metal/acid reaction.Mg is a Gr...
On a periodic table, we can see that the atomic number for lithium is 3. The atomic number represents the number of protons in an atom, so Lithium has 3 protons. The atomic mass is the number of protons a...
←
4
5
6
7
8
→
Internet Safety
Payment Security
Cyber
Essentials
Comprehensive K-12 personalized learning
Immersive learning for 25 languages
Trusted tutors for 300 subjects
35,000 worksheets, games, and lesson plans
Adaptive learning for English vocabulary
Fast and accurate language certification
Essential reference for synonyms and antonyms
Comprehensive resource for word definitions and usage
Spanish-English dictionary, translator, and learning resources
French-English dictionary, translator, and learning
Diccionario ingles-espanol, traductor y sitio de apremdizaje
Fun educational games for kids
