Advertisements
Advertisements
प्रश्न
Write down the number of electrons in X and neutrons in Y.
उत्तर
Hence, formula 27X13 stands for 27Na13 and 35Y17 for 35Cl17
Compound formula = NaCl
APPEARS IN
संबंधित प्रश्न
Fill in the blank of the following statement :
Cathode rays are a beam of fast moving _________.
All the gases from cathode rays and anode rays when electricity is passed through them :What does the formation of cathode rays tell us about the atoms?
The atom of an element X has 7 electrons in its M shell.
What type of ion will be formed by an atom of element X? Write the symbol of the ion formed.
What could element X be?
Write down the electronic configuration of the following:
(a) `""_13^27"Y"`
(b) `""_17^35"Y"`
What are inert elements?
Choose the correct option:
The mass number of an atom whose unipositive ion has 10 electrons and 12 neutrons is :
Which of the following statement is always correct?
All non–metals will have ______ electrons in the outermost orbit of their atoms.
When an atom gains an electron it has more electrons and thus it carries a positive charge.
Select the INCORRECT statement.
