chemistry

Which of these elements has the electonic configuration of

The energy absorbed or released when an electron is added to a gaseous atom is known as

Which of these elements behave partly as an alkaline metal as well as a halogen element?

Hydrogen can be obtained economically as a bi-product in the electrolysis of _____________.

One half of the distance between the nuclei of two adjacent metal atoms in a close crystal lattice is called

What was the main reason for the rejection of Newlands law of octaves?

The tendency of an atom to attract shared electron pair of bond towards itself is known as ___________.

Which of these is not a property of metallic elements?

The presence of hydrogen bond in most molecules is responsible for the following except _________.

Which of these is not an S-block element?

Which of these is not a covalent hydride?

Ammonia
Ethyne
Hydrochloric acid gas
NaH

One half of the distance between the nuclei of two atoms bonded together by a single bond is known as

When alkali metals are heated with hydrogen, they form ____________ hydrides.

Which of the following is not a D-block element?

An hybrid orbital that has greater s-character is more likely to possess ___________.

Which of the following is not true as we move down a group of S-block and P-block elements in the periodic table?

Which of these is an sp-hybridized compound?

The energy required to remove two valence electrons of a metallic atom is called __________.

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asked by davids
  1. In some cases these are complete questions. But this is a laundry list. We don't do complete assignments. If you will tell us what you don't understand about one or more of these perhaps we can help you through them.

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