Quiz #1 (Intro to Chemical Bonding & Bolsa Chica Introduction Lesson)

A chemical bond is an attractive _______ that holds atoms together.

• force
• repellant
• energy
• level

Chemical bonding is the process of atoms combining to form new ______.

• atoms
• nuclei
• substances
• elements

Tags

NGSS.MS-PS1-5

A(n) ______ bond is a bond in which one atom loses its valence electron(s) to another atom.

• metallic
• ionic
• covalent

Tags

NGSS.HS-PS1-1

When the number of protons equals the number of electrons an atom has a _____ charge.

• neutral
• positive
• negative

An atom that has lost its valence electrons is called

• an anion.
• a cation.
• an isotope.
• a molecule.

In a(n) _____ bond, the valence electrons of all atoms are shared by many atoms.

• covalent
• ionic
• metallic

Which type of element is found in an ionic compound but not in a molecular compound?

• metal
• metalloic
• nonmetal

A substance such as H₂O (water) is classified as

• an element
• a compound
• a mixture

Tags

NGSS.HS-ESS2-5

Which of the following is not an ionic compound?

• K₂S

• CH₄

• NaCl
• MgO

A substance such as O₂ (oxygen gas) is classified as

• an element
• a compound
• a mixture

Tags

NGSS.MS-PS1-1