Over a million students use our free study notes to help them with their homework
1).Electron impact ionisation- in this types of ionisation the sample is vaporised and injected into the mass spectrometer, then high energy electrons are fired at this sample from an electron gun. This k...
18 total2,8,8(2,8,7 in chlorine atom, one more from another atom to form the negative charge and filling the third shell)
Methane has van der Waal's forces between molecules whereas water has hydrogen bonds between molecules. Hydrogen bonds are stronger than Van Der Waal's forces and therefore require more energy to be broke...
The molecular formula for water is H20. Two hydrogen atoms and one oxygen atom form a covalent bond. Hydrogen is slightly positively charged and is attracted to oxygen which is slightly negatively charged...
On the numerator of the Ka equation, the concentration of protons is written as being squared due to the fact the concentration of protons is equal to the concentration of the conjugate base in solution.O...
←
83
84
85
86
87
→
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
