WorksheetsChemical Elements
Total questions: 20
Worksheet time: 10mins
What is the physical state of Chlorine at room temperature?
Gaseous
Liquid
Solid
What is the physical state of Bromine at room temperature?
Gaseous
Liquid
Solid
What is the physical state of Iodine at room temperature?
Gaseous
Liquid
Solid
Which group of elements are the most reactive metals?
Alkali metals
Alkali earth metals
Halogens
Noble gases
Which group of elements are the most reactive non-metals?
Alkali metals
Alkali earth metals
Halogens
Noble gases
Which group of elements are unreactive?
Alkali metals
Alkali earth metals
Halogens
Noble gases
Which of the following element is the most reactive non-metal?
Fluorine
Chlorine
Bromine
Iodine
Which of the following element is the most reactive metal?
Sodium
Potassium
Rubidium
Francium
Sodium atom has 11 protons and Chlorine atom has 17 protons. They are located at the same period in the Periodic Table.
Which one has bigger atomic radius?
Sodium
Chlorine
Which of the following element has the biggest atomic radius?
Lithium (Li)
Sodium (Na)
Potassium (K)
Rubidium (Rb)
Na + H2O --> ....... + 1/2 H2
NaOH
NaCl
Na2O
NaH
Halogens react with metals to form .....
salt
acid
alkaline solution
water
Halogens react with hydrogen to form .....
salt
acid
alkaline solution
water
Alkali metals react with water to form ..... and hydrogen gas.
salt solution
acidic solution
alkaline solution
Will this displacement reaction occur?
2 NaCl + Br2 --> 2 NaBr + Cl2
YES
NO
Which of the following element is a non-metal?
Carbon (C)
Sodium (Na)
Gold (Au)
Iron (Fe)
Which of the following element is a noble gas?
N
Na
Ne
Ni
Which of the following element can be used as a material to make light bulb?
Argon (Ar)
Oxygen (O2)
Fluorine (F2)
Chlorine (Cl2)
Which of the following element is unreactive?
Oxygen
Fluorine
Sodium
Argon
Will this displacement reaction occur?
2 NaI + Br2 --> 2 NaBr + I2
YES
NO
