Question

1. write a definition of the following:

a. chemistry
b. matter
c. atom
d. elements
e. compound
f. ion
g. cation
h. anion
i. ionic bonding
j. covalent bonding

Explanation:

• Chemistry: The scientific study of matter, its properties, composition, and the changes it undergoes.
• Matter: Anything that has mass and occupies space.
• Atom: The basic unit of a chemical element.
• Elements: Substances that cannot be broken down into simpler substances by chemical means.
• Compound: A substance formed when two or more elements chemically bond together.
• Ion: An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
• Cation: A positively charged ion.
• Anion: A negatively charged ion.
• Ionic Bonding: The electrostatic attraction between oppositely charged ions.
• Covalent Bonding: The sharing of electron pairs between atoms.

Answer:

a. Chemistry: The scientific study of matter, its properties, composition, and the changes it undergoes.
b. Matter: Anything that has mass and occupies space.
c. Atom: The basic unit of a chemical element.
d. Elements: Substances that cannot be broken down into simpler substances by chemical means.
e. Compound: A substance formed when two or more elements chemically bond together.
f. Ion: An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
g. Cation: A positively charged ion.
h. Anion: A negatively charged ion.
i. Ionic Bonding: The electrostatic attraction between oppositely charged ions.
j. Covalent Bonding: The sharing of electron pairs between atoms.