A single atom of an element has 21 neutrons, 20 electrons, and 20 protons. Which element is it?
1 answer:
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transverse wave and a longitudinal wave
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Answer:
development
sprouting
growth
incubation
propagation
maturation
growing
shooting up
springing up
blooming
Explanation:
Any of them.
Answer: 2) 2HCl(sq) + CaCO3(s) CaCl2(sq) + CO2(g) + H2O (l) No of moles of CaCO3 = amount of the CaCO3 (g)/mw of CaCO3 (g/mole)= 0.8085 g/100 g/mole = 0.008085
Explanation:
The answer is A
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Answer:
Mars
Explanation:
Terrestrial or inner planets like Mars and Venus were formed near the Sun where the solar system's temperatures were very high.
