In Order, from Top to Bottom, in the Activity Series

question 26

Multiple Choice

In order, from top to bottom, in the activity series come Li, K, Ba, Na, Al, Zn, Sn, and Pb. Therefore,

• A) tin is more active than lead.
• B) zinc is more active than aluminum.
• C) potassium is more active than lithium.
• D) sodium is more active than barium.

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Definitions:

Low-income Children

Children living in families with income levels below a given poverty threshold, which varies by country and region.

Infant Mortality Rate

The number of deaths of infants under one year old per 1,000 live births in a given year.

Substandard Child Care

Child care that fails to meet established standards of quality and safety for the well-being of children.

Living in Poverty

The state of having insufficient financial resources to meet the basic needs such as food, clothing, and shelter.