Nitrogen (N) normally forms three covalent bonds with a valence of five. However, ammonium has four covalent bonds, each to a different hydrogen (H) atom (H has a valence of one). What do you predict to be the charge on ammonium?

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#Question id: 23509

#General Aptitude

Tamilnadu coastal belt has drinking water shortage due to:

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#Question id: 11581

#Unit 7. System Physiology – Animal

DES is called an "endocrine disrupting chemical" because it interferes with the endocrine secretions of the ________.

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#Question id: 3617

#Unit 8. Inheritance Biology

Alternate forms of a gene is called

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#Question id: 5530

#Unit 5. Developmental Biology

 The cavity inside the blastula is called the

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#Question id: 23293

#General Aptitude

If your colleague deliberately neglect you inspite of your courteous invitation, the reasonable cause of it may be