How many electrons can occupy the s orbitals at each energy level?

1 answer:

6 0

The atomic orbital is describes using the principle quantum number followed by a letter (s, p, d or f) that describe the sublevel.

For sublevel, it has the shape of a spherical electron cloud surrounding the nucleus and it can hold up to two electrons.

Therefore, the answer to your question is 2 electrons.

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<span>NaOH + HCl → NaCl + H2O

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Coefficient of $H_{2}O$ in the balanced equation with smallest possible integer is 6.

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Unbalanced equation: $Ca(OH)_{2}(aq.)+H_{3}PO_{4}(aq.)\rightarrow Ca_{3}(PO_{4})_{2}(s)+H_{2}O(l)$

Balance Ca: $3Ca(OH)_{2}(aq.)+H_{3}PO_{4}(aq.)\rightarrow Ca_{3}(PO_{4})_{2}(s)+H_{2}O(l)$

Balance $PO_{4}$ : $3Ca(OH)_{2}(aq.)+2H_{3}PO_{4}(aq.)\rightarrow Ca_{3}(PO_{4})_{2}(s)+H_{2}O(l)$

Balance H and O: $3Ca(OH)_{2}(aq.)+2H_{3}PO_{4}(aq.)\rightarrow Ca_{3}(PO_{4})_{2}(s)+6H_{2}O(l)$

Balanced equation: $3Ca(OH)_{2}(aq.)+2H_{3}PO_{4}(aq.)\rightarrow Ca_{3}(PO_{4})_{2}(s)+6H_{2}O(l)$

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