Chemical bonds

Front

What is the significance of the group number for representative elements in terms of valence electrons?

Back

The number of valence electrons is equal to the group number.

Front

What charge does a sodium atom acquire when it loses an electron?

Back

+1

Front

What is the chemical formula for calcium chloride?

Back

CaCl2

Tags

NGSS.MS-PS1-1

Front

Define a chemical bond.

Back

A chemical bond is the force that holds atoms together in a compound.

Front

What type of bond is formed between beryllium (Be) and fluorine (F)?

Back

Ionic bond.

Front

What are valence electrons?

Back

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

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

How do you determine the type of bond that will form between two elements?

Back

The type of bond can be determined by the difference in electronegativity between the two elements.

Front

What is electronegativity?

Back

Electronegativity is a measure of an atom's ability to attract and hold onto electrons.

Front

What is the role of the octet rule in chemical bonding?

Back

The octet rule states that atoms tend to bond in such a way that they have eight electrons in their valence shell, achieving a stable electron configuration.

Tags

NGSS.HS-PS1-1