S1 Final Review Flashcard

Front

What is the difference between qualitative and quantitative observations?

Back

Qualitative observations involve descriptions, while quantitative observations involve numbers.

Front

What type of matter is NaCl?

Back

NaCl is a compound.

Front

What is the chemical formula for the compound formed by magnesium and fluorine?

Back

The chemical formula is MgF₂.

Front

What is the correct electron configuration for gallium?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p¹.

Front

Classify the reaction between potassium and bromine.

Back

The reaction is classified as synthesis.

Front

Define qualitative observation.

Back

Qualitative observation is a description that does not involve numbers.

Front

Define quantitative observation.

Back

Quantitative observation involves measurements and numbers.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances.

Front

What is a compound?

Back

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

Front

What is a mixture?

Back

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