ect Write and balance the equation for the complete combustion of acetylene, C, H,. Phase symbols and energy changes are optional % rect equation:

passing a magnet thought the

mixture , because iron gets attracted to magnet .

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

1.solid

2.carbon dioxide

3.helium