Over a million students use our free study notes to help them with their homework
What is an isotope? (To ensure the students basic understanding on isotopes) Isotopes are different atomic forms of the same element, which have same number of protons but different numbe...
Chiral molecules are enantiomers. A requirement for molecule to be chiral, and therefore have 2 possible enantiomers, there must be four different substituents bonded to a carbon centre. By swapping two b...
To answer this we need to compare the two ions. The main difference between the two ions is the number of protons in the nucleus - Magnesium has one more proton than Sodium, however, if you look at the el...
Though graphite and diamond are made of only carbon, they both have a different structure. The structure of Graphite consists of carbon atoms covalently bonded to...
Firstly we need to work out the molecular mass of CO2 . There is one carbon and two oxygens so we have to add the relative atomic mass (Ar) of one carbon and two oxygens. From the quest...
←
154
155
156
157
158
→
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
