ECM Flashcard Nov 2024

Front

What are the different types of mixtures?

Back

Mixtures can be classified into two main types: homogeneous mixtures (uniform composition) and heterogeneous mixtures (non-uniform composition).

Front

How can mixtures be separated?

Back

Mixtures can be separated by various methods including filtration, distillation, evaporation, and centrifugation.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means. It consists of only one type of atom.

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together in a fixed ratio.

Tags

NGSS.MS-PS1-1

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture in which the components are not uniformly distributed, and different parts of the mixture can be seen.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture in which the components are uniformly distributed, and the composition is the same throughout.

Front

Is sulfur (S) an element, compound, or mixture?

Back

Sulfur (S) is an element.

Front

Is ammonia (NH3) an element, compound, or mixture?

Back

Ammonia (NH3) is a compound.

Tags

NGSS.MS-PS1-1

Front

What is the difference between an element and a compound?

Back

An element consists of only one type of atom, while a compound consists of two or more different types of atoms chemically bonded together.

Front

Can a mixture be a pure substance?

Back

No, a mixture is not a pure substance; it contains two or more different substances that retain their individual properties.