#1
Which element is a noble gas?
1 answered
#2
What is the chemical symbol for gold?
#3
What is the atomic number of carbon?
#4
Which compound is responsible for the smell of rotten eggs?
#5
What is the common name for the compound NaCl?
#6
Which element has the chemical symbol 'Fe'?
#7
Which compound is known as the 'universal solvent'?
#8
What is the molecular formula of sulfuric acid?
#9
In the periodic table, which group do the alkali metals belong to?
#10
What is the primary component of natural gas?
#11
What is the molecular formula of methane?
#12
Which compound is used as a refrigerant in air conditioning systems?
#13
Which element is commonly used in fluorescent lights and television screens?
#14
Which element is essential for the process of photosynthesis in plants?
#15
What is the most abundant gas in the Earth's atmosphere?
#16
Which element is added to steel to make it stainless?
#17