Explanation:
Over 99.9% percent of an atom's mass resides in the nucleus. The protons and neutrons in the center of the atom are about 2000 times heavier than the electrons orbiting around it.
Because the electrons are so light by comparison,they represent only a tiny fraction of a percent of the atom's total weight.
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Answer:
Matter is made of small particles of atoms or molecules. ... The particles in the solid are touching with very little space between them. The particles in a liquid usually are still touching but there are some spaces between them. The gas particles have big distances between them.
Answer:
the correct answers is c
Explanation:
The electronegativity of bromine is 2.96 and that of potassium is less than 1, and its first ionization energy is 1139.9 kj / mol, while that of potassium is approximately 400.
Answer:
Rubber is an insulator.
Remaining three are metals and hence conductors.
