Chemistry Final Review Fall 2024

Front

When an atom loses a valence electron, it becomes a(n) _____________ ion.

Back

positive

Front

The property of metals that allows them to be hammered into thin sheets is called ____.

Back

Malleable

Front

Identify Koolaid as a heterogeneous mixture (HE), homogeneous mixture (HO), element (E), or compound (C).

Back

HO

Front

What group number does the electron configuration of p3 end in?

Back

Group 15

Front

Carbon-14 has ____ protons, ____ electrons, and _____ neutrons.

Back

6, 6, 8

Front

What is the definition of a compound?

Back

A substance formed when two or more elements chemically bond together.

Front

What is the definition of an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is the definition of a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

What is the difference between a homogeneous mixture and a heterogeneous mixture?

Back

A homogeneous mixture has a uniform composition, while a heterogeneous mixture has a non-uniform composition.

Front

What is the definition of ductility?

Back

The ability of a material to be stretched into a wire.