First 20 elements of the Periodic Table

Which of the following elements are non metals?

• He, H, P, N, S

• S, Ar, Cl, Si, F

• F, C, P, N, Cl

• Ne, Ar, F, B, P

Which of the following elements are noble gases?

• H, Li, He

• Ne, Ar, Cl

• F, B, P

• Ar, Ne, He

Which of the following are metals?

• Li, Cl, Si, Be

• K, Ca, Al, Na

• Mg, B, Si, Al

• Na, K, H, Ca

What type of element is Oxygen?

• Halogen

• Metal

• Noble gas

• Non metal

What is the name of K?

• Krypton

• Kalsium

• Potassium

• Sodium

What chemical symbols are atomic numbers 4, 8, 12, and 16?

• Be, O, Mg, S

• He, Be, C, O

• Li, B, N, F

• Mg, Si, S, Ar

What type of elements are atomic numbers 3, 6, 9, 12?

• Metal, metal, non metal, noble gas

• non metal, metalloid, non metal, non metal

• metal, non metal, non metal, metal

• non metal, non metal, metalloid, noble gas

What are the names of the following chemical symbols: Na, Si, S, Cl?

• Nantacium, Silicate, Sulfide, Colorine

• Sodium, Silicate, Sulfur, Chloride

• Nantacium, Silicon, Sulfide, Chlorine

• Sodium, Silicon, Sulfur, Chlorine

What elements are metalloids?

• Li, Mg

• B, Si

• Be, S

• Al, Ca

Which of the following options does not include metals?

• B, He, F, Cl

• Mg, Be, K, Cl

• Si, Ar, Al, Ne

• H, Ca, Be, He