PS.8.1.2 - Atoms

The model shows the atomic structure of an unknown element. Using the periodic table of the elements, identify the name of this element.

• krypton

• magnesium

• carbon

• oxygen

Tags

NGSS.MS-PS1-1

Using information from the periodic table, which diagram shows a correct model for an atom of neon?

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Tags

NGSS.MS-PS1-1

Eliana creates a model of an atom of the element sodium (Na). She uses white pom-poms to represent electrons, black pom-poms to represent neutrons, and yellow pom-poms to represent protons. Using the periodic table, which statement correctly describes her model? Select all that apply.

• Her model uses eleven white pom-poms.

• Her model uses twelve black pom-poms.

• Her model uses eleven black pom-poms.

• Her model uses twelve white pom-poms.

• Her model uses eleven yellow pom-poms.

Tags

NGSS.MS-PS1-1

The chart shows the composition of an unknown atom. Which atom is described in the chart?

• sulfur

• silicon

• nitrogen

• phosphorous

Tags

NGSS.MS-PS1-1

Which table correctly matches each particle with its location and charge?

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Tags

NGSS.MS-PS1-1

Choose the statement below that is NOT true.

• All atoms are only composed of neutrons.

• All elements are composed of atoms.

• All atoms have subatomic particles

• All elements are pure substances.

Tags

NGSS.MS-PS1-1

Which three particles make up an atom?

• protons, neutrons, and isotopes

• neutrons, isotopes, and electrons

• positives, negatives, and electrons

• protons, neutrons, and electrons

Tags

NGSS.MS-PS1-1

Maura is building a model of a neutral sodium (Na) atom. The periodic table information for sodium is shown.

She wants to use yellow dots for particles with a positive charge, blue for particles with a negative charge, and green for particles with no charge. The diagram shows the locations on her model where she could place the particles.
Maura makes a table of all of the particles and their locations to be included in the model. Which of the following tables shows Maura's data correctly?

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Tags

NGSS.MS-PS1-1

The diagram shows an atom of a neutral element from the periodic table.
The atom in the diagram represents which element?

• • beryllium

• • silicon

• • nitrogen

• • sodium

Tags

NGSS.MS-PS1-1

Richard and Brooke observe four types of matter in the lab. They record the types of matter and their observations in the table below. Using their observations, which types of matter are mixtures?

• the water and copper wire

• the oil and vinegar; the water

• the water; the marbles and paper clips

• the oil and vinegar; the marbles and paper clips