Chapter 2 Matter

Aluminum is used in kitchen foil because it is

• Very Heavy

• Hard to Bend

• Shiny

• None of the above

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NGSS.MS-PS3-3

A chemical property of copper is its

• Density

• Reactivity

• Color

• Melting Point

Helium is used in balloons because it is

• Reactive with rubber

• Lighter than air

• Flammable

• A colored gas

A group of atoms that acts as a unit is called a(n)

• Mixture

• Molecule

• Element

• Compound

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NGSS.MS-PS1-1

Which of the following is not a pure substance?

• Element

• Molecule

• Compound

• Mixture

The smallest unit of an element that maintains the properties of that element is a(n)

• Molecule

• Atom

• Compound

• Substance

Which of the following is not a potential sign of chemical change?

• Release of gas

• Evaporation of water

• Change of color

• Production of gas

Tags

NGSS.MS-PS1-2

Lead has a density of 11.3 g/cm³ and a mass of 282.5g. What is its volume?

• 2.5 cm³

• 25 cm³

• 250 cm³

• 2500 cm³

A material that can be represent by a chemical formula is

• An Element

• A Mixture

• A Homogeneous Solution

• A Pure Substance

A molecule of water (H₂O) is made from _____ combining two hydrogen atoms and one oxygen atom.

• Physically

• Ionically

• Thermally

• Chemically

Tags

NGSS.MS-PS1-1