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HCHO OS for H is +1, O is -2 there are two H's one O on Carbon. 2 x (+1) + 1 x (-
2) = 0 thus, the OS of carbon is zero. CaH2 Ca is +2 thus, H is -1 HNO3 N is +5, O is -2 thus H
+ 5 + (-2) x 3 = 0 H = +1 P4 is an allotrope. All allotropes have an OS of zreo.
Solution
HCHO OS for H is +1, O is -2 there are two H's one O on Carbon. 2 x (+1) + 1 x (-
2) = 0 thus, the OS of carbon is zero. CaH2 Ca is +2 thus, H is -1 HNO3 N is +5, O is -2 thus H
+ 5 + (-2) x 3 = 0 H = +1 P4 is an allotrope. All allotropes have an OS of zreo.

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HCHO OS for H is +1, O is -2 there are two Hs o.pdf

  • 1. HCHO OS for H is +1, O is -2 there are two H's one O on Carbon. 2 x (+1) + 1 x (- 2) = 0 thus, the OS of carbon is zero. CaH2 Ca is +2 thus, H is -1 HNO3 N is +5, O is -2 thus H + 5 + (-2) x 3 = 0 H = +1 P4 is an allotrope. All allotropes have an OS of zreo. Solution HCHO OS for H is +1, O is -2 there are two H's one O on Carbon. 2 x (+1) + 1 x (- 2) = 0 thus, the OS of carbon is zero. CaH2 Ca is +2 thus, H is -1 HNO3 N is +5, O is -2 thus H + 5 + (-2) x 3 = 0 H = +1 P4 is an allotrope. All allotropes have an OS of zreo.