Question

Magnesium oxide forms from magnesium metal and oxygen gas. Write a word equation and
an unbalanced formula equation including physical states.

Answer 1

Answer:

Explanation:

First, we need to identify the type of bond and reaction. This is an ionic bond so atoms are giving and accepting electrons. This is a synthesis reaction.

Magnesium has a charge of

2

+

, while oxygen has a charge of

2

−

. The burning of magnesium metal reacts with oxygen found in the air (oxygen gas) to form magnesium oxide.

2

M

g

(

s

)

+

O

2

(

g

)

→

2

M

g

O

Oxygen is a diatomic molecule and is almost always reacting with elements as a gas,

O

2

.

Answer 2

Answer:

mg(s)+O2(g)=MgO2(s)

Explanation:

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