LT1 Atoms Basics

What are the fundamental building blocks of atoms called?

• Molecules

• Atomic particles

• Cells

• Compounds

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NGSS.MS-PS1-1

What is the learning target for the lesson on atomic particles?

• To memorize the periodic table

• To identify and describe protons, electrons, and neutrons

• To learn about chemical reactions

• To study the history of chemistry

Tags

NGSS.MS-PS1-1

Which particle is positive?

• Proton

• Neutron

• Electron

• Solving math problems

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MO.SCI.6-8.PS1.A.5

What is the smallest unit of matter that retains chemical properties?

• Atom

• Molecule

• Cell

• Element

Tags

NGSS.MS-PS1-1

Atoms are often compared to which of the following?

• Large machines

• Tiny "building blocks" of the universe

• Drops of water

• Pieces of paper

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NGSS.MS-PS1-1

Which of the following statements best describes the composition of an atom?

• Atoms are made of molecules

• Atoms are composed of even smaller subatomic particles

• Atoms are made of cells

• Atoms are made of energy only

Tags

NGSS.MS-PS1-1

Why might scientists refer to atoms as the "building blocks" of the universe? Use your reasoning skills to explain.

• Because atoms are the largest objects in the universe

• Because atoms combine to form all matter, making up everything in the universe

• Because atoms are only found in buildings

• Because atoms are not important in science

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Where are protons located in an atom?

• In the nucleus

• In the electron cloud

• In the outer shell

• In the neutron zone

What type of electrical charge do protons carry?

• Negative (-1)

• Neutral (0)

• Positive (+1)

• Double positive (+2)

Which property of an element is determined by the number of protons in its atom?

• Atomic mass

• Atomic number

• Number of neutrons

• Number of electrons