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Svetlanka [38]
3 years ago
7

The nucleus makes up blank of the mass of an atom

Chemistry
1 answer:
goldfiish [28.3K]3 years ago
8 0
The nucleus is the center of the atom where the protons and neutrons can be found.
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If the internal energy of the products of a reaction is lower than the internal energy of the reactants, what is the sign of δe
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14 someone help ASAP
levacccp [35]

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14. Which group below correctly list bases that completely dissociate in water?
ArbitrLikvidat [17]

Answer:14=D

15=B

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2 years ago
7. A nonpolar covalent bond (i.e., pure covalent) would form in which one of the following pairs of atoms? A) Na Cl B) H Cl C) L
padilas [110]

Answer:

E) Br Br

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Covalent bond -

Covalent bond is the bond which is formed with the sharing of the electrons between the two atoms which are taking part in the bond. It is generally formed between the atoms with similar electronegativity values.

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Consider these phylogenetic trees. The first tree is based on physical characteristics. The second tree is based on structure, g
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