The element which has atomic number 12 is considered from

When an atom of an element loses 1 electron or more, it changes into

All of the following elements can form positive ions except

The number of energy levels in sodium ion is ......... the number of energy levels in its atom.

When an atom is changed into an ion, the ....... is changed.

The only nonmetal that exists in a liquid state is .....

All of nonmetals don't conduct electricity except ......

In a negative ion, the number of protons is ...... the number of electrons.

The number of ........ determines the type of element and its chemical activity.

The molecule of a noble gas consists of .....

Teachers: Create FREE classroom games with your questions Click for more info!
©2007-2024 Review Game Zone | About | Privacy | Contact | Terms | Site Map