its atomic number is 56
its atomic weight is 137
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A barium atom has 56 protons, 56 electrons, and usually 81 or 82 neutrons. Therefore, a barium atom is typically composed of 137 or 138 particles.
Barium nitrate is composed of barium (Ba), nitrogen (N), and oxygen (O) atoms. The chemical formula for barium nitrate is Ba(NO3)2.
Barium hydroxide is composed of one barium ion (Ba2+) and two hydroxide ions (OH-), resulting in the chemical formula Ba(OH)2.
Particles that make up solid matter are tightly packed together, have strong cohesive forces between them, and vibrate in fixed positions. These particles have a definite shape and volume, and maintain their structure even when subjected to external forces.
The tiny particles that make up a solid are called atoms or molecules. These particles are closely packed together in a fixed position, giving solids their rigid structure.
The study of the tiny particles that make up all things is called particle physics. Particle physicists study the fundamental particles that make up matter and their interactions with forces in the universe. This field aims to understand the nature of these particles and the fundamental forces that govern their behavior.