Exploring Atoms and Chemical Properties

Front

Difference in scale between an atom and a molecule?

Back

A molecule is made up of two or more atoms bonded together.

Tags

UT.CS.SCI.8.8.1.1

Front

Given the atomic number of carbon is 6, what are the number of protons, neutrons (most common isotope), and electrons in a neutral carbon atom?

Back

6 protons, 6 neutrons, 6 electrons

Tags

UT.CS.SCI.8.8.1.1

Front

Which property of matter would be most useful for identifying a metal that can be hammered into thin sheets?

Back

Malleability

Tags

UT.CS.SCI.8.8.1.2

Front

Which property should be tested to determine the most suitable substance for making electrical wires? Options: Color, Density, Electrical conductivity, Odor

Back

Electrical conductivity

Tags

UT.CS.SCI.8.8.1.2

Front

What property change indicates a chemical reaction when two clear liquids form a solid?

Back

Formation of a precipitate (solid)

Tags

UT.CS.SCI.8.8.1.3

Front

What type of change occurs when a substance changes from a solid to a liquid when heated, and which property is being observed?

Back

Physical change; state

Tags

UT.CS.SCI.8.8.1.3

Front

Back

Tags

UT.CS.SCI.8.8.1.1

Front

Compare the atomic models of oxygen and nitrogen using evidence from the periodic table. Which statement is correct about their number of protons?

Back

Oxygen has more protons than nitrogen.

Tags

UT.CS.SCI.8.8.1.1

Front

Material for kitchen pots that must not react with water and should conduct heat well. Options: Wood, Plastic, Aluminum, Paper.

Back

Aluminum

Tags

UT.CS.SCI.8.8.1.2

Front

How should a student interpret observations of a color change and gas production when substances are mixed to determine if a chemical reaction has occurred?

Back

The production of a gas and color change together suggest a chemical reaction occurred.

Tags

UT.CS.SCI.8.8.1.3