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15g of Magnesium is burned, what mass of magnesium oxide is formed ?

Write out the equation when Magnesium is burned to produce Magnesium oxide: 2Mg + O2 > 2MgOMagnesium to Magnesium oxide is 1:12) Work out the number of moles present in 15g of Magnesium: Moles = ...

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Why is magnesium positioned in Group 2 of the periodic table?

All the elements within a group have the same number of electrons in their outermost shell. Magnesium is in group 2 because a magnesium atom has 2 electrons in its outer shell/outermost energy level.

Answered by Jyothi D. • Chemistry tutor

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What is an ionic bond? Give an example of one.

An ionic bond is the transfer of electrons from one atom to another to obtain a stable outer shell. This only happens between a metal and a non metal. For example, magnesium would transfer 2 electrons to ...

Answered by Kenny C. • Chemistry tutor

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How do you balance an equation

First write out the equation given:Na + O₂ —> Na₂ONow count how many oxygen atoms are on the LHS of equation (2) and how many are on the RHS (1). This means you must put a 2 in f...

Answered by Lauren S. • Chemistry tutor

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Why are metals good conductors of electricity?

Metals form metallic bonds, where unlike in covalent or ionic bonding, electrons are delocalised. This means the electrons can move freely throughout the metallic structure. Electricity is the flow of ele...

Answered by Olivia K. • Chemistry tutor

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