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WorksheetsPeriodic table of elements
Total questions: 15
Worksheet time: 8mins
Who invented the Periodic Table?
Mendeleev
Bohr
Lewis
Democritus
The horizontal rows on the periodic table are called
groups
families
periods
atomic numbers
What are the elements in group 2 of the periodic table called?
Alkali metals
Alkaline earth metals
Halogens
Noble gases
Hydrogen is a:
Alkali metal
Metalloid
Non-metal
Noble gas
The three kinds of elements are
metals, nonmetals, and liquid metals
metals, nonmetals, and metalloids
metals, solids, and liquids
metalloids, asteroids, and nonmetals
The melting point of iodine is higher than that of chlorine. Which one of the following statements best explains this phenomenon?
Iodine is darker in colour than chlorine
Iodine atoms are smaller than chlorine atoms
Iodine atom has more electrons than a chlorine atom
The intermolecular forces in iodine is stronger than in chlorine
Which element is most likely to be an effective catalyst in the catalytic converter of car exhausts?
Lithium
Aluminium
Magnesium
Platinum
An atom of element X has 4 shells containing electrons. When element X reacts with chlorine, a compound with formula XCl is formed. Which of the following is the element X?
Calcium
Potassium
Sodium
Silicone
Table shows the arrangement of electrons of elements in Period 3 of the Periodic Table. Which one of the following shows the correct descending order of their atomic radii?
M,L,N,P,K
L,M,N,K,P
P,K,N,M,L
K,L,M,N,P
Sodium and rubidium are both elements in Group 1 of the Periodic Table. Which of the following statements is correct?
Both metals form acidic oxides
Rubidium has a lower melting point than sodium
Rubidium reacts less quickly with water than sodium
Rubidium has less electrons compared to sodium
Fluorine is the first element in Group 17 of the Periodic Table. Which statement about fluorine is not correct?
It forms ionic compound with sodium
It is gas at room temperature and pressure
Its molecules are diatomic at room temperature
Its molecules are monoatomic at room temperature
What characteristics are shared by all alkali metals and alkaline earth metals?
Conduct electricity well
strong & shiny
form alkaline solutions when mixed with water
do not react with water at all
Which element has the highest electronegativity?
