Chem Unit 4 Review

Front

What is the atomic radius trend in Group 18 elements?

Back

The atomic radius increases down the group, with Radon (Rn) having the largest atomic radius.

Front

What is the proper phase notation for a gas?

Back

The proper phase notation for a gas is (g), as in Ar(g) for Argon.

Front

Which group of elements does not have defined values for electronegativity?

Back

The elements in Group 18, known as Noble Gases, do not have defined values for electronegativity.

Front

What type of ions do non-metals typically form?

Back

Non-metals typically form anions.

Front

How do valence electrons change across a period?

Back

Valence electrons typically decrease left across a period.

Front

What are the Noble Gases?

Back

The Noble Gases are a group of elements in Group 18 of the periodic table, including Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), and Radon (Rn). They are characterized by their lack of reactivity.

Front

What is electronegativity?

Back

Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons.

Front

What is the phase notation for a solid?

Back

The phase notation for a solid is (s), as in Na(s) for Sodium.

Front

What is the phase notation for a liquid?

Back

The phase notation for a liquid is (l), as in Hg(l) for Mercury.

Front

What are cations?

Back

Cations are positively charged ions that are formed when an atom loses one or more electrons.