1.
What is the chemical symbol for the element oxygen?
2.
Which of the following elements is a noble gas?
3.
What is the chemical formula for table salt (sodium chloride)?
Explanation:
4.
What is the atomic number of carbon?
5.
What is the chemical formula for water?
6.
Which element is the most abundant in the Earth's crust?
Explanation:
7.
What is the chemical formula for ammonia?
8.
Which of the following is a transition metal?
9.
What is the chemical symbol for gold?
10.
Which of the following compounds is a strong acid?