12/11/24 Sig Figs, Density, Properties of Matter

Front

What is the scientific notation for 25,000?

Back

2.5 × 10^4

Front

Define a heterogeneous mixture.

Back

A mixture that does not have the same composition in every part.

Front

Identify the element in group 2 and period 6.

Back

Barium (Ba)

Front

Which element is a noble gas and is pictured?

Back

Neon (Ne)

Front

What group contains familiar metals such as gold, iron, and copper?

Back

Transition metals

Front

What are significant figures?

Back

Digits in a number that contribute to its precision.

Front

How do you determine the density of an object?

Back

Density = Mass/Volume

Front

What is the formula for calculating density?

Back

Density (D) = Mass (m) / Volume (V)

Front

What is a homogeneous mixture?

Back

A mixture that has the same composition throughout.

Front

What is the significance of significant figures in calculations?

Back

They indicate the precision of measurements.