Elements and Chemical Bonds Lesson Chapter 9

Multiple Choice

What is the state of matter of Helium at room temperature?

• Solid

• Liquid

• Gas

• Plasma

Multiple Choice

What is the atomic number of Neon?

• 8

• 9

• 10

• 11

Multiple Choice

In the periodic table, the atomic number increases as you move from ______.

• right to left

• top to bottom

• left to right

• bottom to top

Multiple Choice

Nonmetals are generally found on the ______ of the periodic table.

• Far left

• Far right

• Middle

• Bottom

Multiple Choice

Nonmetals tend to ______ electrons easily.

• Lose

• Gain

• Share

• Donate

Multiple Choice

Which of the following is not a property of metals?

• High melting point

• Sonorous

• Low tensile strength

• Malleable

Multiple Choice

Fill in the blank: The outermost electrons, also known as ______, can easily be attracted to the nucleus of other atoms.

• Core electrons

• Valence electrons

• Neutral electrons

• Proton electrons

Multiple Choice

What is the role of valence electrons in chemical bonding?

• They repel other atoms

• They are attracted to the nucleus of other atoms

• They remain neutral

• They form magnetic fields.

Multiple Choice

How many electrons are shared in a single covalent bond?

• 1

• 2

• 3

• 4

Multiple Choice

In a water molecule (H2O), how many hydrogen atoms are bonded to the oxygen atom?

• 1

• 2

• 3

• 4

Multiple Choice

The phrase 'like dissolves like' refers to the solubility of substances. Which of the following is true?

• A) Nonpolar substances dissolve in polar substances

• B) Polar substances dissolve in nonpolar substances

• C) Nonpolar substances dissolve in nonpolar substances

• D) None of the above.

Multiple Choice

In the sodium chloride structure, what does the chloride ion do?

• Gains electrons

• Loses electrons

• Shares electrons

• Remains neutral

Multiple Choice

Ionic compounds do not form molecules; instead, they form a large collection of ______.

• atoms

• oppositely charged ions

• neutral particles

• covalent bonds

Multiple Choice

Metallic compounds are ______, meaning they can be hammered into thin sheets.

• Brittle

• Malleable

• Fragile

• Rigid

Multiple Choice

The aluminum atoms in a metallic bond lose their _________ electrons to become ________ ions.

• valence, positive

• valence, negative

• valence, neutral

• inner, positive