Distinguish between elements and compounds.
Answers
Explanation:
Elements :
1. There are nearly 118 elements (at present) of which nearly 94 occur naturally on Earth.
2.Elements are pure substances which are composed of only one type of atom.
3.Elements are classified as either metals, nonmetals or metalloids
4.Some of the examples of elements are Iron, Copper, Gold, etc
5.Elements cannot be broken down by chemical reactions.
Compound:
1.Compounds are almost endless.
2.Compound are substances which are formed by two or more different types of elements that are united chemically in fixed proportions
3.Compounds are classified according to their bonds which can be ionic, molecular or metallic
4.A few examples of compounds are NaOH, NaCl, etc
5.Compounds can be easily separated into simpler substances by chemical reactions.
Answer:
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Explanation:
Elements :
→Elements are pure substances which are composed of only one type of atom.
→There are nearly 118 elements (at present) of which nearly 94 occur naturally on Earth.
→Elements are classified as either metals, nonmetals or metalloids.
→They are represented using numbers and symbols.
→Examples of elements are Iron, Copper, Gold, etc.
Compounds :
→Compound are substances which are formed by two or more different types of elements that are united chemically in fixed proportions.
→Compounds are almost endless.
→Compounds are classified according to their bonds which can be ionic, molecular, or metallic.
→They are represented using chemical formulas.
→ Examples of compounds are NaOH, NaCl, etc.