#1
What is the atomic number of oxygen?
#2
Which element has the chemical symbol 'Fe'?
#3
What is the lightest element?
#4
Which element is a halogen?
#5
What is the symbol for the element potassium?
#6
What is the chemical symbol for gold?
#7
What is the chemical symbol for lead?
#8
Who developed the periodic table?
#9
Which group of elements is known as the 'Noble Gases'?
#10
Which element has the highest melting point?
#11
Which element is essential for human bones?
#12
Which element is commonly used in batteries?
#13
Which element is the main constituent of diamonds?
#14
Which element is known as the 'universal solvent'?
#15
Which element is the most abundant in Earth's crust?
#16
Which element is added to stainless steel to resist corrosion?
#17
What is the lightest noble gas?
#18
Which element is a major component of proteins?
#19
Which element is used in fluorescent light bulbs?
#20
Which element is a key component of DNA?
#21
Which element is used to make semiconductors?
#22
What is the most electronegative element?
#23
Which element has the highest electronegativity?
#24
Who discovered the noble gases?
#25