Neutrons
The atomic mass is the weight of the protons and neutrons in the nucleus.
Answer:
7. B
8. C
9. B
10. I cant see all anwers but it is not A or C either B or D.
Explanation:
Answer:
The electron density of a polar bond accumulates towards one end of the bond, causing that end to carry a slight negative charge and the other end a slight positive charge. Likewise molecules in which there is an accumulation of electron density at one end of the molecule, giving that end a partial negative charge and the other a partial positive charge, are called polar molecules.
<span>Ethylene is used to ripen crops so that all plants in a crop will ripen at the same time.
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Answer:
False
Explanation:
The cells of collenchyma have evenly thickened cell wall
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