Test about CHEM101

What is the atomic number of carbon?

Which element has the chemical symbol 'Na'?

What is the chemical formula for water?

What is the pH of a neutral solution?

Which subatomic particle has a negative charge?

What is the primary component of natural gas?

Which of the following is a noble gas?

What is the chemical symbol for iron?

What is the process of a solid turning into a gas without becoming a liquid first called?

Which of the following is a halogen?