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Because the left side only has one valence electron but the right side has 7 so they attract

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Q: Why are ionic compounds formed when a metal from the left side of the periodic table reacts with a nonmetal from the left side?
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Related questions

Why ionic compounds formed when metal from left side of periodic table reacts with nonmetal right side?

An ionic compound is formed if the electronegativity difference between the two atoms is above 1.7 and this is generally true in the case of metals and non-metals.


When a metal reacts with a nonmetal a colvent bond is formed true or false?

False. When a metal reacts with a nonmetal an ionic bond is formed.


What is formed when a nonmetal oxide reacts with water?

It forms acidic solutions


What compounds are formed when a strong acid reacts with a strong base?

There are two compounds that are formed and those twocompounds are Salt and Water.


Which compounds are formed when an acid reacts with an oxide?

A salt and water is formed in this type of reactions.


What compounds are formed when magnesium reacts with oxygen?

Magnesium reacts with oxygen to form magnesium oxide (MgO).


How many electrons will the metal sodium atoms lose when the metal reacts with a nonmetal?

Sodium loses one electron when it reacts with a nonmetal.


What is the most active nonmetal in the periodic table of the elements?

The most active nonmetal element is fluorine.


What element reacts with a metal or a non-metal to form an oxide?

oxides are formed when a element reacts with Oxygen


How does alkali earth metals reacts to other elements in the periodic table?

Through compounds (one element plus another (only some have been found the periodic table always changes))


What form do you get when sodium reacts with nonmetal chlorine?

a noble gas.


What happens when non-metals reacts with water?

neutral Depends on the nonmetal. Fluorine reacts differentpy from boron.