Ionic and Covalent Bonding

Front

What are the electrons in the outer shell called?

Back

Valence electrons.

Front

What is formed when two atoms share electrons?

Back

A covalent bond.

Front

What are valence electrons?

Back

The outermost electrons of an atom.

Front

What is the chemical/molecular formula for methane?

Back

CH₄.

Tags

NGSS.MS-PS1-1

Front

What is the force that holds two atoms together called?

Back

A chemical bond.

Tags

NGSS.HS-PS1-3

Front

What type of bond involves the transfer of electrons from one atom to another?

Back

Ionic bond.

Front

What is the difference between ionic and covalent bonds?

Back

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

Front

What is the charge of a sodium ion (Na+) after it loses an electron?

Back

Positive charge.

Front

What is the charge of a chloride ion (Cl-) after it gains an electron?

Back

Negative charge.

Front

What type of elements typically form covalent bonds?

Back

Nonmetals.