EVERYDAY SCIENCE

SCIENCE

CHEMISTRY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Three of the following must contain two more kinds of atoms. Which one does not contain two or more kinds of atoms?

A	element
B	compound
C	homogeneous mixture
D	heterogenous mixture

Explanation:

Detailed explanation-1: -Which one does not contain two or more kinds of atoms? element.

Detailed explanation-2: -Element. A pure substance that has only one kind of atom and cannot be broken into two or more simpler substances by physical or chemical means is an element.

Detailed explanation-3: -A molecule consists of two or more atoms of the same element, or different elements, that are chemically bound together.

Detailed explanation-4: -Compound : A substance made of two or more elements that are chemically combined in fixed amounts. Periodic Table of Elements : A table in which all the known elements are arranged by properties and are represented by one or two letters, referred to as chemical symbols.

Detailed explanation-5: -A particular element is composed of only one type of atom. Atoms are further composed of subatomic particles called electrons, protons and neutrons. Elements can combine with each other to form molecules via chemical reaction.

There is 1 question to complete.