Chemistry
Grade-8
Easy
Question
Substance made of two or more different elements that chemically combine.
- Atom
- Element
- Compound
- Proton
Hint:
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
Chemistry
Salt crystal structure
Salt crystal structure
ChemistryGrade-8
Chemistry
How are elements different from atoms?
How are elements different from atoms?
ChemistryGrade-8
Chemistry
What mineral crystal structure is this?
What mineral crystal structure is this?
ChemistryGrade-8
Chemistry
The number of elements in NaCl are
The number of elements in NaCl are
ChemistryGrade-8
Chemistry
What is the scientific name for salt?
What is the scientific name for salt?
ChemistryGrade-8
Chemistry
What has atoms arranged in an ordered pattern?
What has atoms arranged in an ordered pattern?
ChemistryGrade-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
Chemistry
What is the small repeating entity of the atom structure?
What is the small repeating entity of the atom structure?
ChemistryGrade-8
Chemistry
How many sodium atoms are there in NaCl?
How many sodium atoms are there in NaCl?
ChemistryGrade-8
Chemistry
Which of the following describes a crystal?
Which of the following describes a crystal?
ChemistryGrade-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
Chemistry
What state or phase of material are crystals?
What state or phase of material are crystals?
ChemistryGrade-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?
ChemistryGrade-8
Chemistry
What is a crystal?
What is a crystal?
ChemistryGrade-8
Chemistry
Water can be a solid, liquid, and a gas.
Water can be a solid, liquid, and a gas.
ChemistryGrade-8
