Chemistry MCQs - Page 2 of 2

The radioactive isotope of hydrogen is called___________?

A. tritium
B. deuterium
C. protium
D. ortho-hydrogen

Answer

A. tritium

Tritium is a radioactive isotope of hydrogen. It has the same number of protons as normal hydrogen (1 proton), but it has two neutrons instead of just one, giving it a different atomic weight (3 instead of 1). Tritium is radioactive, which means that it undergoes decay over time and emits high-energy particles. This makes it useful in a number of applications, such as in nuclear weapons and in tritium light sources, which are used to illuminate various devices. However, it also poses some dangers, as tritium can be harmful if it is ingested or inhaled in large quantities.

The radioactive isotope of hydrogen is called___________? Read More »

The soul of chemistry is dealing with___________?

A. Internal structural changes in matter
B. Composition of matter
C. Properties of matter
D. Composition and properties of matter

Answer

D. Composition and properties of matter

Chemistry is a branch of science that deals with the composition, structure, properties, and reactions of matter. The “soul” of chemistry refers to the essence of what makes chemistry so important and interesting. The essence of chemistry is the study of the internal structural changes in matter, its composition, and its properties. This includes understanding the different types of atoms and molecules that make up matter, how they interact with each other, and how they change in response to different conditions, such as heat, pressure, and light. By studying these aspects of matter, chemists can gain insights into the fundamental nature of the world around us, and develop new and useful materials, chemicals, and technologies.

The soul of chemistry is dealing with___________? Read More »