Bonds, pH, Water Review

Which two subatomic particles are located in the nucleus?

• Protons and Electrons
• Protons and Neutrons
• Electrons and Protons

To what does the term valance refer?

• Electrons in the innermost energy level.
• Protons in the innermost energy level.
• Electrons in the outermost energy level.
• Protons in the outermost energy level.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Between which subatomic particles to bonds form?

• Quarks
• Protons
• Neutrons
• Electrons

Tags

NGSS.HS-PS1-4

Isotopes of the same element differ in which of the following?

• Their number of neutrons.
• Their number of protons.
• Their number of electrons.

Tags

NGSS.HS-PS1-8

An atom that loses an electron becomes which of the following?

• A negatively charged ion.
• A neutral ion.
• A positively charged ion.

Tags

NGSS.HS-PS1-2

Which of the following lists the bonds in order from weakest to strongest?

• Covalent, Hydrogen, Ionic
• Hydrogen, Ionic, Covalent
• Ionic, Covalent, Hydrogen
• Hydrogen, Covalent, Ionic

Tags

NGSS.HS-PS1-3

NGSS.HS-PS1-4

In which type of bond are electrons shared unequally?

• Non-polar covalent bond
• Polar covalent bond
• Ionic bond
• Hydrogen bond

Which of the following substances would have the greatest concentration of H⁺ ions?

• Ammonia with
  pH 13
• Water with 
  pH 7
• Milk with 
  pH 5
• Lemon juice with 
  pH 2

What type of substance has an equal concentration of H⁺ and OH^- ions?

• Acid
• Base
• Neutral

What type of substance regulates the pH of the body by releasing and capturing H⁺ ions?

• Alkalines
• Buffers
• Neutralizers
• Hydrogenators

Tags

NGSS.MS-PS1-2