Chemistry
Grade-8
Easy

Question

Substance made of two or more different elements that chemically combine.

  1. Atom
  2. Element
  3. Compound
  4. Proton

hintHint:

Substances combine chemically to give compounds.

The correct answer is: Compound


    • An atom is the smallest unit of ordinary matter that forms a chemical element.
    • Element is a species of atom that has a specific number of protons in its nuclei.
    • A compound is a chemical species when two or more different elements combine together chemically by a covalent or ionic bond.
    • Proton is a component of an atomic nucleus with a mass defined as 1 and a charge of +1.

    Related Questions to study

    Grade-8
    Chemistry

    Salt crystal structure

    Salt crystal structure

    ChemistryGrade-8
    Grade-8
    Chemistry

    How are elements different from atoms?

    How are elements different from atoms?

    ChemistryGrade-8
    Grade-8
    Chemistry

    What mineral crystal structure is this?

    What mineral crystal structure is this?

    ChemistryGrade-8
    parallel
    Grade-8
    Chemistry

    The number of elements in NaCl are

    The number of elements in NaCl are

    ChemistryGrade-8
    Grade-8
    Chemistry

    What is the scientific name for salt?

    What is the scientific name for salt?

    ChemistryGrade-8
    Grade-8
    Chemistry

    What has atoms arranged in an ordered pattern?

    What has atoms arranged in an ordered pattern?

    ChemistryGrade-8
    parallel
    Grade-8
    Chemistry

    What is the basic unit of matter and is the smallest particle of an element?

    What is the basic unit of matter and is the smallest particle of an element?

    ChemistryGrade-8
    Grade-8
    Chemistry

    What is the small repeating entity of the atom structure?

    What is the small repeating entity of the atom structure?

    ChemistryGrade-8
    Grade-8
    Chemistry

    How many sodium atoms are there in NaCl?

    How many sodium atoms are there in NaCl?

    ChemistryGrade-8
    parallel
    Grade-8
    Chemistry

    Which of the following describes a crystal?

    Which of the following describes a crystal?

    ChemistryGrade-8
    Grade-8
    Chemistry

    This means the particles that make a mineral line up in a pattern that repeats over and over again.

    This means the particles that make a mineral line up in a pattern that repeats over and over again.

    ChemistryGrade-8
    Grade-8
    Chemistry

    What state or phase of material are crystals?

    What state or phase of material are crystals?

    ChemistryGrade-8
    parallel
    Grade-8
    Chemistry

    Which of the following is a way that crystals can form in nature?

    Which of the following is a way that crystals can form in nature?