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प्रश्न
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one forms an anion?
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उत्तर
Y = 9 i.e (2, 7)
संबंधित प्रश्न
Match the atomic number 4, 8, 14, 15 and 19 with each of the following:
(a) A solid non-metal of valelncy 3.
(b) A gas of valency 2.
(c) A metal of valency 1.
(d) A non-metal of valency 4
Give electron dot diagram of the following:
Magnesium chloride
State differences between the properties of ionic compounds and covalent compounds.
Fill in the blanks.
The electrovalent bond or ionic bond is called as _____ bond
How many atoms of each kind are present in the following molecule:
Calcium oxide
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one forms a cation?
Name an element which does not contain neutron.
Name the following:
The shell closest to the nucleus of an atom
Give the orbital diagram of the following:
Magnesium chloride
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^39_19K}\]
