Question

*Chemistry*

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1. Define matter.
2. Write types of Element.
3. Explain compound
4. First 10 Element Name, Symbol, Atomic number​

Answer 1

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• A common or traditional definition of matter is "anything that has mass and volume (occupies space)". For example, a car would be said to be made of matter, as it has mass and volume (occupies space). The observation that matter occupies space goes back to antiquity.

• Elements can be classified as metals, metalloids, and nonmetals, or as a main-group elements, transition metals, and inner transition metals.

• compound is a substance formed when two or more chemical elements are chemically bonded together. ... Each molecule of water contains two hydrogen atoms bonded to a single oxygen atom. Example 2: Pure table salt is a compound made from two elements - sodium and chlorine.

1. Hydrogen H
2. Helium He
3. Lithium Li
4. Beryllium Be
5. Boron B
6. Carbon C
7. Nitrogen N
8. Oxygen O
9. Fluorine F
10. neon ne

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Answer 2

Answer:

1))Matter is anything that occupies space and has mass

2))their are three types of element

Metals.

Non - Metals.

Metalloids.

3))A compound is a material formed by chemically bonding two or more chemical elements

The type of bond keeping elements in a compound together may vary: covalent bonds and ionic bonds are two common types. The elements are always present in fixed ratios in any compound.

4)

1 . hydrogen (H)

2. helium (he )

3. lithium (li)

4) beryllium (be)

5. boron (b)

6.carbon (c)

7.nitrogen ( n )

8. oxygen ( o )

9. fluorine (f)

10 neon (ne )

Explanation:

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