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1

Which statement explains why water is polar?

Water molecules become very acidic in solution.

The atoms in the water unevenly share electrons, resulting in partially positive and negative parts.

Water is neutral because the atoms share electrons evenly.

The hydrogen atoms steal electrons from the oxygen atom.

1

If an atom contains 3 protons, 4 neutrons, and 3 electrons, its atomic mass is...

3.

11.

4.

7.

1

A covalent bond is formed as a result of...

transferring electrons.

sharing electrons.

stealing electrons.

magnetic attractions.

1

When sugar is dissolved in water, water is the...

solvent.

reactant.

solution.

solute.

1

In a water molecule, shared electrons spend more time around the oxygen atom than the hydrogen atoms. As a result, the oxygen atom is...

nonpolar.

slightly negative.

slightly postive.

neutral.

1

Which of the following identifies the number and location of protons in a lithium atom?

3 protons, located in a shell

7 protons, located in a shell

3 protons, located in the nucleus

4 protons, located in the nucleus

1

Examine the image below. What type of bond is forming between the calcium and chlorine atoms?

A nonpolar bond

An ionic bond

A hydrogen bond

A covalent bond

1

The attraction between polar molecules is called a(n)...

ionic bond.

magnetic bond.

covalent bond.

hydrogen bond.

1

Sulfuric acid is a very strong acid; it would have a pH of...

7.

13.

5.

1.

1

If an atom contains 11 protons and 12 neutrons, its atomic number is...

1.

12.

23.

11.

3

In the space below, draw a sodium atom with all its subatomic particles.

6

Match each description with its correct property of water.

Draggable item		Corresponding Item
Describes water's ability to dissolve many solutes.		Cohesion
Describes water's resistance to changes in temperature.		Adhesion
Allows insects to "walk on water."		Capillary Action
Occurs when water molecules are attracted to one another to form a droplet.		High Heat Capacity
Occurs when water can climb up thin tubes against the force of gravity.		Universal Solvent
Occurs when water molecules are attracted to other substances.		Surface Tension

1

What defines if an atom is stable?

Stable atoms have 8 neutrons in their outermost shell.

Stable atoms have their outermost shell full of electrons.

Stable atoms can covelent bond, but not ionic bond.

Stable atoms have an equal number of protons and electrons.

1

When a sample of sodium chloride (NaCl) dissolves in water, it separates into sodium (Na) ions and chloride (Cl) ions. Which of the following best accounts for the positive charge of the sodium ions?

They have a large volume.

They have fewer electrons than protons.

They have a high density of neutrons and protons.

They have extra mass.

1

Which of the following correctly describes the subatomic particles?

An electron has a negative charge. Protons and neutrons have positive charges.

A neutron has a negative charge. Protons and electrons have positive charges.

A neutron has a neutral charge. Protons have positive charges. Electrons have negative charges.

A proton has a positive charge. Neutrons have negative charges. Electrons have no charges.

1

Sulfur has 16 electrons. Which of the following is the arrangement of electrons for sulfur?

There are 2 electrons in the first shell, 6 electrons in the second shell, and 8 electrons in the outermost shell.

There are 2 electrons in the first shell, 8 electrons in the second shell, and 6 electrons in the outermost shell.

There are 2 electrons in the first shell and 6 electrons in the second shell.

There are 8 electrons in the first shell and 8 electrons in the second shell.

2

In the space below, draw a second water molecule. Using a dashed line, draw a hydrogen bond. Lastly, label a covalent bond.

4

Match each definition with the correct term.

Draggable item		Corresponding Item
A substance formed by the chemical combination of 2 or more elements in definite proportions.		Atom
The building block of all matter.		Suspension
A pure substance that contains one type of atom.		Compound
A mixture of water and undissolved materials.		Element

4

Organic chemistry studies carbon-based molecules. Due to its atomic structure, carbon atoms form the base of many large, complex molecules. In the space below, draw a carbon atom. Then, exaplain why carbon can form many bonds with other atoms to create large molecules.

CP1 - Atoms, Bonding, and Water Quiz

CP1 - Atoms, Bonding, and Water Quiz

Which statement explains why water is polar?

If an atom contains 3 protons, 4 neutrons, and 3 electrons, its atomic mass is...

A covalent bond is formed as a result of...

When sugar is dissolved in water, water is the...

In a water molecule, shared electrons spend more time around the oxygen atom than the hydrogen atoms. As a result, the oxygen atom is...

Which of the following identifies the number and location of protons in a lithium atom?

Examine the image below. What type of bond is forming between the calcium and chlorine atoms?

The attraction between polar molecules is called a(n)...

Sulfuric acid is a very strong acid; it would have a pH of...

If an atom contains 11 protons and 12 neutrons, its atomic number is...

In the space below, draw a sodium atom with all its subatomic particles.

Match each description with its correct property of water.

What defines if an atom is stable?

When a sample of sodium chloride (NaCl) dissolves in water, it separates into sodium (Na) ions and chloride (Cl) ions. Which of the following best accounts for the positive charge of the sodium ions?

Which of the following correctly describes the subatomic particles?

Sulfur has 16 electrons. Which of the following is the arrangement of electrons for sulfur?

In the space below, draw a second water molecule. Using a dashed line, draw a hydrogen bond. Lastly, label a covalent bond.

Match each definition with the correct term.

Organic chemistry studies carbon-based molecules. Due to its atomic structure, carbon atoms form the base of many large, complex molecules. In the space below, draw a carbon atom. Then, exaplain why carbon can form many bonds with other atoms to create large molecules.

Which statement explains why water is polar?

If an atom contains 3 protons, 4 neutrons, and 3 electrons, its atomic mass is...

A covalent bond is formed as a result of...

When sugar is dissolved in water, water is the...

In a water molecule, shared electrons spend more time around the oxygen atom than the hydrogen atoms. As a result, the oxygen atom is...

Which of the following identifies the number and location of protons in a lithium atom?

Examine the image below. What type of bond is forming between the calcium and chlorine atoms?

The attraction between polar molecules is called a(n)...

Sulfuric acid is a very strong acid; it would have a pH of...

If an atom contains 11 protons and 12 neutrons, its atomic number is...

In the space below, draw a sodium atom with all its subatomic particles.

Match each description with its correct property of water.

What defines if an atom is stable?

When a sample of sodium chloride (NaCl) dissolves in water, it separates into sodium (Na) ions and chloride (Cl) ions. Which of the following best accounts for the positive charge of the sodium ions?

Which of the following correctly describes the subatomic particles?

Sulfur has 16 electrons. Which of the following is the arrangement of electrons for sulfur?

In the space below, draw a second water molecule. Using a dashed line, draw a hydrogen bond. Lastly, label a covalent bond.

Match each definition with the correct term.

Organic chemistry studies carbon-based molecules. Due to its atomic structure, carbon atoms form the base of many large, complex molecules. In the space below, draw a carbon atom. Then, exaplain why carbon can form many bonds with other atoms to create large molecules.