Chemistry: The Central Science
Questions and Correct Answers
2025/2026 Latest Edition.
Chemistry - ANS -a branch of physical science that studies the composition, structure,
properties and change of matter
Why is chemistry called the "Central Science?" - ANS -it connects the physical sciences with
Biology and the Applied Sciences
All material in the Universe that has mass and occupies space is termed_______ - ANS -Matter
The______ ____ ____________ ____ __________states that matter may be transformed from
one type of substance into others, but it cannot be created or destroyed - ANS -law of
conservation of matter
An__________is a fundamental type of matter, a chemical substance with a given set of
properties, which cannot be broken down into substances with other properties - ANS -Element
Elements are composed of________, the smallest components that maintain the chemical
properties of the element - ANS -atoms
Every atom has a_________ composed of_________ (positive charge) and _________(no
charge). Each nucleus is surrounded by negatively charged________ - ANS -nucleus; protons;
neutrons; electrons
Questions and Correct Answers
2025/2026 Latest Edition.
Chemistry - ANS -a branch of physical science that studies the composition, structure,
properties and change of matter
Why is chemistry called the "Central Science?" - ANS -it connects the physical sciences with
Biology and the Applied Sciences
All material in the Universe that has mass and occupies space is termed_______ - ANS -Matter
The______ ____ ____________ ____ __________states that matter may be transformed from
one type of substance into others, but it cannot be created or destroyed - ANS -law of
conservation of matter
An__________is a fundamental type of matter, a chemical substance with a given set of
properties, which cannot be broken down into substances with other properties - ANS -Element
Elements are composed of________, the smallest components that maintain the chemical
properties of the element - ANS -atoms
Every atom has a_________ composed of_________ (positive charge) and _________(no
charge). Each nucleus is surrounded by negatively charged________ - ANS -nucleus; protons;
neutrons; electrons
