Chemistry
Grade-9
Easy
Question
Elements combine to form __________.
- Compound
- Atoms
- Positive ions
- Negative ions
Hint:
A compound is a combination of elements.
The correct answer is: Compound
- When elements of two or more types combine together they form a compound.
- An atom is a particle of matter that uniquely defines a chemical element.
- An atom is neutral with an equal number of protons and electrons, when an electron is lost it becomes a positively charged ion.
- When an atom gains an electron it becomes negatively charged.
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