Common Salt (NaCl) is used to preserve foods. Which of the following properties can be used to determine its purity before use?
Which of the following electron configurations represents the transition element Chromium \(_{24}Cr\)?
The atomic number of an isotope of hydrogen is equal to its mass number because it
What is the total number of shared pair of electrons in the compound above?
The bonding pair of electrons in a Hydrogen Chloride molecule is pulled towards the chlorine atom because