1
Which Metallic element is the main component of steel?
Iron
Compounds of which chemical element are dealt with in Organic Chemistry?
Carbon
Which element has the chemical symbol C?
Carbon
Which element has the chemical symbol Cu?
Copper
Which element is used in batteries and also as a treatment for depression?
Lithium
Which element has the chemical symbol N?
Nitrogen
What do the elements in a period have the same number of?
Occupied shells
What is the most common gas in the Earth's atmosphere?
Nitrogen
Which element has the chemical symbol O?
Oxygen
Atoms in an element are what?
The same type
How many elements are liquid at room temperature?
2
Which of these metallic elements is liquid at room temperature?
Mercury
What is the chemical symbol for silver?
Ag
Which element takes its name from the Greek word for sun?
Helium
Oxygen
The US five-cent coin takes its nickname from what element?
Nickel
What is the chemical symbol for potassium?
K
Which of these elements is a famous poison?
Arsenic
Which gaseous elements fills red tubular signed, used in advertising displays?
Neon
What is the chemical symbol for tungsten?
W
What is the chemical symbol for tin?
Sn
Rubies and sapphires are oxide of which element?
Aluminium
Which element has the chemical symbol P?
Phosphorus
The elements radium and polonium were discovered by which scientist?
Diamonds are made of what element?
Carbon