6.6a

Which of the following correctly list the three main groups of elements from greatest conductivity to least conductivity? (6.6A)

• Nonmetals-metalloids- metals

• metals-nonmetals-metalloids

• metalloids-metal-nonmetals

• Metals-metalloids-nonmetals

John was observing the physical properties of elements in order to classify them as either a metal, nonmetal, or metalloid. The first element was dull, brittle, and do not conduct heat, what is the element most likely classified as (6.6A)

• metal

• metalloid

• nonmetal

What makes an object magnetic?

• It contains iron.

• It is shiny.

• It is hard.

• It will sink.

Tags

NGSS.MS-PS2-3

Which elements are to the right of the zig zag?

• metals

• nonmetals

• metalloids

List the steps of the scientific method

d

e

f

c

b

a

Draw conclusions

Analyze results

Conduct experiment

Communicate results

Ask a question

Form a hypothesis

Which elements are to the LEFT of the zigzag?

• metals

• nonmetals

• metalloids

Ductility is ___________

• A. the capability of being hammered out thin.

• B. the way light is reflected off a surface.

• C. the capability of being drawn or stretched into thin wires or threads.

• D. how well a piece of matter conducts electricity.

Metalloids _____________

• have no properties of metals.

• have no properties of nonmetals.

• have some properties of both metals and nonmetals.

• none of the above

____ - is the ability of a substance to be hammered or rolled into sheets

• Ductility

• Semiconductors

• Malleability

• Conductivity

_____ - is the ability of a substance to be pulled into thin wires.

• Ductility

• Semiconductors

• Malleability

• Conductivity