Question

what is bonding
what is molecules
what is period
what is valency

Answer 1

Explanation:

All other elements have unfilled electron shells, so they undergo the process of bonding, in which outer electrons are shared or transferred between atoms, so that each atom has a stable, full, outer shell. Bond length: the distance between two atomic nuclei when the atoms are linked by a chemical bond.

a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

A period is the name given to a horizontal row of the periodic table. The periodic table has seven periods. Apart from period 1, every period begins with an alkali metal and ends with a noble gas. Period 1 contains only two elements: hydrogen and helium.

the valence or valency of an element is a measure of its combining power with other atoms when it forms chemical compounds or molecules.

Answer 2

Answer:

1. the action of joining things securely by means of adhesive, heat, or pressure or by chemical bonds
2. A molecule is an electrically neutral group of two or more atoms held together by chemical bonds. Molecules are distinguished from ions by their lack of electrical charge.
3. In chemistry, the term period refers to a horizontal row of the periodic table. Elements in the same period all have the same highest unexcited electron energy level or same ground state energy level. ... The seven periods of the periodic table contain naturally-occurring elements
4. combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with.

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