Chemistry

Front

What is the chemical formula for diphosphorus pentoxide?

Back

P2O5

Front

In terms of atomic structure, what do isoelectronic species have in common?

Back

They have the same number of electrons.

Front

How many valence electrons does beryllium have?

Back

2

Front

What is the chemical name for CO?

Back

carbon monoxide

Front

What is the chemical name for NO?

Back

nitrogen monoxide

Front

What is the definition of a valence electron?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds.

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons determine how an atom can bond with other atoms.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons from one atom to another, while covalent bonds involve the sharing of electrons between atoms.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons.

Front

What is the chemical formula for sulfur dioxide?

Back

SO2