Advertisements
Advertisements
प्रश्न
Give two example of group 17 elements.
उत्तर
Chlorine (Cl) and bromine (Br) are two elements of group 17.
APPEARS IN
संबंधित प्रश्न
State the main aim of classifying elements. Which is the more fundamental property of elements that is used in the development of Modern Periodic Table? Name and state the law based on this fundamental property. On which side of the periodic table one can find metals, non-metals and metalloids?
What would be the correct order if Zn, Fe, Al and Cu are arranged in increasing order of reactivity?
Give the symbol and valency of the following element and radical.
Calcium
Give the symbol and valency of the following element and radical.
Magnesium
Give the symbol and valency of the following element and radical.
Carbonate
Give the chemical formula of sodium nitrate
What are the periods in a periodic table?
Identify gas A in the following experiment.
Compare the radii of two species X and Y. Give reasons for your answer.
- X has 12 protons and 12 electrons
- Y has 12 protons and 10 electrons
Answer the following in respect of element \[\ce{_16^32S}\].
To which group and period does it belong?
