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Mid Term
| Question | Answer |
|---|---|
| smallest component of a element having the chemical properties of that element. | atom |
| the nucleus is a very dense region consisting of nucleons (protons and neutrons) at the center of an atom. | atomic nucleus |
| a stable subatomic particle with a charge of negative electricity. | electron |
| a stable subatomic particle occurring in all atomic nuclei with a positive electric charge | proton |
| number of protons in the nucleus of an atom. | atomic number |
| a substance that cannot be decomposed into a simpler substance by chemical means. | element |
| each of two or more forms of the same element that contains equal numbers of protons but different numbers of neutrons. | isotope |
| a thing that is made up of two or more separate elements. | compound |
| a chemical bond in which one atom loses an electron to form a positive ion and gains another electrons to form a negative ion. | ionic bound |
| an atom or molecule with a net electric charge due to the lose or gain of one or more electrons. | ion |
| a chemical bond that involves sharing of an electron between the atom in a molecule. | covalent bond |
| an electron in the outer shell of an atom which can that can combine with other atoms to form molecules. | valence electrons |
| a group of atoms bonded together representing the smallest fundamental unit of a chemical compound | molecules |
| van der walls forces | |
| polar | |
| polar molecules | |
| hydrogen molecules | |
| cohesion | |
| adhesion | |
| mixture | |
| solution |
Created by:
JAIFOS24
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