PLEASE ANSWER IT COORECTLY .

1 – What is it called when two atoms of the same element join together?
2 – What is it called when two atoms from different elements join together?
3 – What kind of a bond is formed when the atoms share electrons?
4 – What kind of a bond is formed when one atom donates electrons?

From Science, Chemistry ,
Class 9 ,
ch: Atoms and molecules .​

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