Answer:
A. 8
Explanation:
Atomic number of oxygen = 8
Oxygen is the 8th element in periodic table.
Atomic no. = 8, means one oxygen atom has 8 protons. Now, because the atom is neutral, so number of electrons = no. of protons in an atom.
Hence, the number of electrons in a neutral oxygen atom is 8.
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Answer:
Explanation:don’t CLICK THE LOMK IT GRABS IP. ADDRESS THE RECENT PERSONSS LINK
Relative weight- weight that is relevant, and it is important to calculate atomic mass because that's the answer
4095km
Explanation:
Given parameters:
Starting time = 7 o'clock
Stopping time = 11hrs 30min
Speed = 910km/hr
Unknown:
Distance covered = ?
Solution:
Speed is the rate of change of distance with time.
It is a scalar quantity that is with respect with magnitude but no direction.
Speed =
Distance = Speed x time
Time taken = time between 11hrs 30min and 7 o'clock = 4.5hrs
Input the parameters:
Distance = 910km/hr x 4.5hrs = 4095km
learn more:
Speed brainly.com/question/10048445
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