<span>A. The nucleus can be either positively charged or neutral.
The nucleus is located at the center of an atom wherein it contains the protons and the neutrons.</span>
Answer:
Carbon dioxide as well as water are needed for photosynthesis.
Explanation:
Answer:
Correct option is A)
[H
+
]=
KaC
=
1.8×10
−6
=1.34×10
−3
pH=−log[H
+
]
=2.88
Explanation:
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The first 20 element have types metal non metal symbol valency electornic and etc I know it
