Chemistry Final Review

Any factor that can change in an experiment

• variable
• constant
• independent
• dependent

Manipulated or intentionally changed by the scientist in an experiment

• Control Variable

• Dependent Variable

• Experimental Control

• Independent Variable

How close the measurment is to the accepted value

• Precision

• Variable

• Accuracy

• Experimental control

How close several measurements are to each other

• Accuracy

• Variable

• Precision

• Experimental Control

A characteristic of matter that can only be observed when matter is changed into a new kind of matter.

• Chemical property

• Physical property

Tags

NGSS.MS-PS1-2

This property can be observed and measured without changing the matter being studied

• Physical Property

• Chemical Property

What is a cation?

• A negatively charged ion

• An atom with no charge

• A positively charged ion

• A stable atom on the periodic table

What is an anion?

• A negatively charged particle

• An atom with no charge

• A positively charged ion

• A stable atom found on the periodic table

An atom, or a group of atoms that has an electrical charge, either positive or negative.

• electron
• ion
• nucleus
• orbital

Formed when positively charged metal ions attract negatively charged non-metal ions.

• ionic compounds
• molecular compounds

Tags

NGSS.HS-PS1-3