Midterm Review 2024

Front

Adding carbon to iron (steel) increases the substance's overall strength and _____________.

Back

hardness

Front

What are atoms of the same element with a different number of neutrons called?

Back

isotopes

Front

Which of the following is NOT a characteristic of elements in the same group?

Back

Different outer shell electron configuration

Front

Which elements in Period 3 are likely to form anions?

Back

P, S, Cl

Front

As water temperature increases, the solubility of oxygen __________.

Back

decreases

Front

What is the definition of isotopes?

Back

Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons.

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons determine how an atom can bond with other atoms.

Front

What is the periodic trend for electronegativity across a period?

Back

Electronegativity increases across a period from left to right.

Front

What is the definition of an anion?

Back

An anion is a negatively charged ion that has gained one or more electrons.

Front

What is the relationship between temperature and solubility for most solids in water?

Back

For most solids, solubility increases as temperature increases.