Accuracy compares what you measured to the real value or answer.

A period refers to the vertical columns on the periodic table.

The ___________ is the standard by which your results can be compared.

An atomic mass of an atom consists of the mass of the ________________________.

Elements in Groups 3 through 12 of the periodic table are called ____________________.

A scientist's personal opinions that may affect an experiment is __________________.

Baking the bread in the oven causes ____.

A(n) ___________________ is the basic unit of matter.

All transition elements are ______________________.

The variable being measured is the _____________________.

Which of these is a chemical property of a sheet of paper?

Copper, gold and iron all have some of the same characteristic properties. They are all shiny and conduct electricity. They can be hammered into a shape and drawn into a wire. What classification of elements includes copper, gold, and iron?

A scientist experiments with lab rats in a controlled experiment about how the amount of exercise affects the body mass of rats. What is the INDEPENDENT variable of the experiment?

How many valence electrons does Calcium have?

Mashing bananas results in ____.

How close measurements are to each other is:

____________________ are the vertical columns on the periodic table whose elements share properties.

Which item best represents Dalton's image of an atom?

Which process is an example of a physical change?

Oil will float on water because oil is less dense than water.

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