Define the following
(a) Element
(c) Molecules
(b) Atom
(d) Matter
Answers
Answer:
a) Chemical element, also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. ... Elements are the fundamental materials of which all matter is composed.
b) a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
c) An atom is a particle of matter that uniquely defines achemical element. An atom consists of a central nucleus that is usually surrounded by one or more electrons.
d) matter, material substance that constitutes the observable universe and, together with energy, forms the basis of all objective phenomena.
Answer:
a)Element:-An element is a substance whose atoms all have the same number of protons: another way of saying this is that all of a particular element's atoms have the same atomic number.
b)Atom:-An atom is the smallest component of an element and the building blocks of all matter, characterized by sharing of the chemical properties.
c)Molecules:-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.
d)Matter:-Matter is the Stuff Around You
Atoms and compounds are all made of very small parts of matter.
Explanation:
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