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1. Lead (Pb), silver (Ag), and iron (Fe) are examples of which of the following?


A. elements


B. molecules


C. compounds


D. all the above

2. Elements can be broken down into simpler substances.

True
False

3. A substance made up of only atoms of one type is called a(n) ___.

A. particle


B. molecule


C. element


D. compound

4. The most common element in the universe is _____.

A. neon


B. oxygen


C. hydrogen


D. boron

5. No two elements are exactly alike.

True
False

Respuesta :

beasa9118

1. A. Elements

2. False

3. C. Element

4. C. Hydrogen

5. True

ayfat23
  • The answers to the given questions are listed below :

1) Elements

2. False

3. C. Element

4. C. Hydrogen

5. True

  • Lead (Pb) as well as silver (Ag), and iron (Fe) can be regarded as examples of elements because they are pure substance and they cannot be broken down into simpler unit

  • A substance can be regarded as one which is been made up of only atoms of one type and this is regarded to as element

  • Hydrogen is regarded as the element which is most common in the universe

  • An element can be regarded as substance which cannot be disintegrated into any other substance.

  • An element can be regarded as material consisting of a single type of atom.

  • A compound is combination of two or more types of elements which is been joined together by covalent or ionic bonds.

Therefore, elements are pure substance

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