Chemical Bonding and Properties (Warm-Up)

Front

What do atoms with few valence electrons (1-3) tend to do with them?

Back

They tend to lose them.

Front

What type of bond is formed between nonmetals?

Back

Covalent bonds are formed between nonmetals.

Front

What is the electron dot diagram for Beryllium (Be) in Group 2?

Back

Beryllium has 2 valence electrons, represented as :Be:.

Front

How many atoms are in the molecule CH₄?

Back

CH₄ has 5 atoms in total (1 Carbon and 4 Hydrogens).

Front

How many atoms are in the molecule CO₂?

Back

CO₂ has 3 atoms in total (1 Carbon and 2 Oxygens).

Front

Which molecule has more atoms, CH₄ or CO₂, and why?

Back

CH₄ has more atoms because it has 5 atoms in total.

Front

What could be the electron dot diagram of Phosphorus?

Back

Phosphorus has 5 valence electrons, represented as :P:.

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons determine how atoms bond with each other.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

Front

What is an example of a molecule formed by covalent bonding?

Back

Water (H₂O) is an example of a molecule formed by covalent bonding.