Chemistry
What is the atomic number of carbon?
6
Which element is the most abundant in the Earth's atmosphere?
Nitrogen
What is the chemical symbol for gold?
Au
What is the pH value of a neutral solution?
7
Which gas is commonly known as laughing gas?
Nitrous oxide
What is the main component of natural gas?
Methane
Which element is commonly used as a disinfectant in swimming pools?
Chlorine
Which type of bond involves the sharing of electrons between atoms?
Covalent bond
What is the chemical formula for water?
H2O
Which process involves the conversion of a solid directly into a gas?
Sublimation