If electronegativity difference between atoms is much higher then they form ionic bond.
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Answer:
A
Explanation:
CH4+O2-CO2+ H20
that mean methane has burn in oxygen to produce CO2
Vaccine
Because scientists normally put the cure in a form to get injected into you and since a vaccine is basically a shot vaccine would most likely be correct
Answer: covalent bond
Explanation: The carbon-hydrogen bond is a bond between carbon and hydrogen atoms that can be found in many organic compounds.
Answer:
6 moles of oxygen
Explanation:We can find from the chemistry equation
C3H7SH(l)+6O2---3CO2(g)+SO2(g)+4H2O(g)
6 moles O2 ~4 moles H2O
