16 Questions
What are compounds formed from?
Different elements chemically reacting and forming bonds with each other
Why are noble gases very unreactive?
They have completely full outer shells and are stable
What makes the atoms of other elements unstable?
Incomplete outer electron shells
What are ions?
Atoms or group of atoms with an electrical charge
Why do atoms form bonds?
To become stable by having filled outer shells
How do atoms form ions?
By having incomplete outer electron shells
What is the process by which atoms become positive or negative ions?
Gaining or losing electrons
Which type of ion forms when an atom gains electrons?
Negative ion
Which type of atoms typically form positive ions?
Metal atoms
What determines the type of chemical bond formed between atoms?
The difference in electronegativity between the atoms
How do non-metal atoms typically form a bond with each other?
By sharing electrons
In covalent bonding, how are the shared electrons involved in bonding?
They join the atoms together
How is a covalent bond formed in hydrogen?
Each hydrogen atom shares its single unpaired electron
What is the absolute value determined between participating substances in a reaction to determine the type of chemical bond?
Electronegativity difference (∆EN)
What type of bonds result when the electronegativity difference (∆EN) between participating ions is large?
Ionic bonds
What determines whether a substance forms a non-polar covalent bond or a polar covalent bond?
The electronegativity difference (∆EN) of the substance
Explore the concept of molecular structure and bonding, including the formation of elements, molecules, and compounds through chemical reactions. Learn about the role of electrons in forming bonds and the significance of different types of bonding such as ionic bonding.
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