Metal Oxides and hydroxides Flashcards

1
Q

How is a metal oxide formed give formula

A

metal + oxygen –> metal oxide

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2
Q

how is calcium oxide formed?

A

calcium is in group 2+ and oxygen is in group 2- and they cancel each other out to form CaO

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3
Q

how is Lithium oxide formed?

A

Lithium has a 1+ charge and oxygen has a 2- charge.

Lithium is multiplied by 2 to have a 2+ charge.
Li2

oxygen is multiplied by 1
O

the answer is: Li2O

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4
Q

How is a metal hydroxide formed give formula

A

metal oxide + water –> metal hydroxide

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5
Q

how is lithium hydroxide formed

A

Li20 (oxide) + H20 —> LiOH

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6
Q

how is magnesium hydroxide formed

A

MgO + H20 –> Mg(OH)2

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7
Q

What is the formula for salt

A

acid + base –> salt + water

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