Over a million students use our free study notes to help them with their homework
Both isotopes of magnesium have 12 protons as shown by Mg's proton number in the periodic table.By definition an isotope is an atom with the same number of protons but differs in its number of neutr...
You’ll need to use both spectrums to pick out information and piece them together to identify the compound, similar to a puzzle. First, you could use the infrared spectrum to identify which functional gro...
Melting point decreases going from lithium to sodium because sodium is lower down group one therefore it has a greater number of shells. A greater number of shells means a greater atomic radius - a greate...
The nitrogen atom in both NH3 and NH2- has 8 outer shell electrons. In NH3, 3 pairs of these electrons are used in covalent bonding to hydrogen atoms and the re...
A racemic mixture contains a 50-50 mixture of two optical isomers. Optical isomers are identical in molecular structure but rotate the plane of polarized light in different directions (one rotates clockwi...
←
225
226
227
228
229
→
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