Water Polarity Review

What is the charge of a proton?

• Positive

• Negative

• Neutral

Tags

NGSS.MS-PS2-3

What is the charge of an electron?

• Negative

• Neutral

• Positive

Tags

NGSS.MS-PS2-3

What is the charge of a neutron?

• Positive

• Negative

• Neutral

Which subatomic particle is found in the nucleus and has a positive charge?

• Proton

• Neutron

• Electron

What are valence electrons?

• Valence electrons are the protons in the nucleus of an atom.
• Valence electrons are the electrons that are always in the inner shells of an atom.
• Valence electrons are the electrons that do not participate in chemical reactions.
• Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following atoms has the highest gravitational pull (force)?

• Carbon (12)

• Uranium (238)

• Hydrogen (1)

• Oxygen (16)

Tags

NGSS.MS-PS2-4

If an atom has a neutral charge and loses an electron, what happens to its overall charge?

• The overall charge becomes positive.
• The overall charge fluctuates between positive and negative.
• The overall charge remains neutral.
• The overall charge becomes negative.

Tags

NGSS.MS-PS1-1

What type of bond connects water molecules to other water molecules?

• Ionic bonds
• Covalent bonds
• Van der Waals forces
• Hydrogen bonds

What type of bonds are between the oxygen and hydrogen atoms inside a water molecule?

• Ionic bonds
• Polar Covalent bonds

• Hydrogen bonds
• Metallic bonds

What term describes molecules that have a positive and negative end?

• Ionic compounds
• Nonpolar molecules
• Polar molecules
• Hydrophobic molecules