Question

a metal if left in open combines with oxygen and burns ​

Answer 1

Explanation:

Summary. When a metal reacts with oxygen, a metal oxide forms. The general equation for this reaction is: metal + oxygen → metal oxide.

Answer 2

$\huge\underline\bold\blue{AnswER}$

When a metal reacts with oxygen, a metal oxide forms. The general equation for this reaction is: metal + oxygen → metal oxide.

Combustion is an example of a type of reaction called oxidation . In an oxidation reaction, a substance gains oxygen. Metals and non-metals can take part in oxidation reactions.....

please mark as brainliest.....

★★★★☆☆☆✯✯✭✯✵☆☆☆★★★★