Chemistry
Grade-8
Easy
Question
All matter is made of
- Energy

- Atoms

- Electrons

- Compounds

Hint:
Atom is the smallest unit of matter.
The correct answer is: Atoms

- The matter is anything that has mass and occupies space.
- There are three states of matter: solid, liquid, and gas.
- The matter is made up of atoms.
- Atoms have constituting particles such as electrons, protons, and neutrons.
- Compounds are formed of two or more combining elements.
Related Questions to study
Chemistry
What mineral crystal structure is this?

- Hexagonal
- Tetragonal
- Cubic
- Triclinic
What mineral crystal structure is this?

ChemistryGrade-8
- Hexagonal
- Tetragonal
- Cubic
- Triclinic
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Among the following that is not the type of crystal is
- Ionic crystal
- Covalent crystal
- Unit crystal
- Molecular crystal
Among the following that is not the type of crystal is
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- Ionic crystal
- Covalent crystal
- Unit crystal
- Molecular crystal
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The structure of the snowflake is
- Hexagonal
- Cubic
- Spherical
- Quadrilateral
The structure of the snowflake is
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- Hexagonal
- Cubic
- Spherical
- Quadrilateral
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The basic arrangement that is repeated in crystal is called
- Pattern
- Arrangement
- Unit cell
- Structure
The basic arrangement that is repeated in crystal is called
ChemistryGrade-8
- Pattern
- Arrangement
- Unit cell
- Structure
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The following properties are all characteristics of ionic compounds EXCEPT

- High melting and boiling points
- Soft
- Crystal lattice structure
- Conduct electricity when dissolved in water
The following properties are all characteristics of ionic compounds EXCEPT

ChemistryGrade-8
- High melting and boiling points
- Soft
- Crystal lattice structure
- Conduct electricity when dissolved in water
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The reason that a sodium atom bonds with a chlorine atom is because

- Sodium transfers an electron to Chlorine
- Oppositely charged ions form a strong electrostatic attraction
- Ions are the same size
- The ions have a full outer shell
The reason that a sodium atom bonds with a chlorine atom is because

ChemistryGrade-8
- Sodium transfers an electron to Chlorine
- Oppositely charged ions form a strong electrostatic attraction
- Ions are the same size
- The ions have a full outer shell
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Ionic bonds form between two ions that have_________
- Ionic compounds
- Negative charges
- Positive charges
- Opposite charges
Ionic bonds form between two ions that have_________
ChemistryGrade-8
- Ionic compounds
- Negative charges
- Positive charges
- Opposite charges
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Substance made of two or more different elements that chemically combine.
- Atom
- Element
- Compound
- Proton
Substance made of two or more different elements that chemically combine.
ChemistryGrade-8
- Atom
- Element
- Compound
- Proton
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