Chemistry Water

What is the chemical formula for water?

• CO₂

• C₆H₁₂O₆

• H₂0

• O₂

Tags

NGSS.MS-PS1-1

H₂0 is the chemical formula for water. This means that water has __ hydrogen atom(s) and __ oxygen atom(s) that are _______ bonded.

• 2 hydrogen,

  1 oxygen

  covalently bonded

• 1 hydrogen,

  2 oxygen

  covalently bonded

• 2 hydrogen,

  1 oxygen

  ionically bonded

• 1 hydrogen,

  2 oxygen

  ionically bonded

Tags

NGSS.MS-PS1-1

The sharing of electrons between two atoms is called a...

• Hydrogen bond

• Adhesion

• Cohesion

• Covalent bond

If two atoms share electrons and are covalently bonded to one another, they are collectively known as a __________.

• Atom

• Molecule

• Proton

• Neutron

Tags

NGSS.MS-PS1-1

Molecules that have ends that are oppositely charged due to the unequal sharing of electrons.

• Acids

• Bases

• Polar molecules

• Nonpolar molecules

Water is _____ and oils are _______

• Polar; Polar

• Nonpolar; Nonpolar

• Polar; Nonpolar

• Nonpolar; Polar

A mixture of two substances where one dissolves into the other.

• Acid

• Base

• Solution

• Covalent Bond

In a solution like a Kool-aid beverage, the water is the ______ and the sugar would be one of the _______ because it dissolves in the water.

• Solute; Solvent

• Solvent; Solute

• Acid; Base

• Base; Acid

You could dissolve a nonpolar substance in a polar solvent.

• True

• False

An acid releases ____ ions when dissolved in solution.

• H+

• OH-