0 of 14 Questions completed
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
0 of 14 Questions answered correctly
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Which of the following subatomic particles are in the nucleus of an atom?
Where are electrons located on an atom?
Why are atoms neutral?
What does the atomic number tell us?
What does the mass number tell us?
Sodium has a mass number of 23 and an atomic number of 11, how many neutrons does it have?
What is the chemical symbol for lead?
What is the chemical symbol for magnesium?
What is an isotope?
Carbon 12 and carbon 13 are a pair of isotopes. How many protons, electrons and neutrons do both of them have?
What are compounds?
How many atoms are in H₂SO₄?
What is the name of the compound with the formula: HCl?
What elements does ammonia (NH₃) contain?