AP Chemistry 2.1-2.4

Atoms that have a high electronegativity, _______________.

• give up their electrons more easily.
• hold on to their electrons more tightly.
• have more electron shells.

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NGSS.HS-PS1-1

As you move across the periodic table atoms tend to get smaller because, ______________.

• the atoms have more mass.
• the atoms have less mass
• the atoms have more protons.
• the atoms have less electrons.

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NGSS.HS-PS1-2

NGSS.HS-PS1-1

As you move down the periodic table atoms get bigger.  This is because ____________.

• The atoms have more mass.
• The atoms have more protons.
• The atoms have more energy levels
• The atoms have more nuetrons

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NGSS.HS-PS1-1

The element with the lowest electronegativity in Period 3 is -

• Na

• Cl

• Ar

• Mg

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A bond between a metal and a nonmetal is called a(n)

• covalent bond

• ionic bond

• metallic bond

• transfer bond

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A bond between a nonmetal and a nonmetal is called a(n)

• covalent bond

• ionic bond

• metallic bond

• transfer bond

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NGSS.HS-PS1-2

What type of bond involves the sharing of electrons between atoms?

• covalent bond

• ionic bond

• metallic bond

• transfer bond

Identify the following compound as ionic or covalent: Na₂SO₄

• ionic

• covalent

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NGSS.HS-PS1-3

Identify the following compound as ionic or covalent: CF₄

• ionic

• covalent

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When you have Br-Br, what is the polarity?

• Polar

• nonpolar

• Ionic

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