Observe this image of two objects. What will happen when they are brought close together? Please answer fast who ever answers I will give Brainliest

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.