8th Sci Unit 2 Part 1 review

All matter is made of what...

• energy

• atoms

• electrons

• compounds

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NGSS.MS-PS1-1

The positive particles of an atom are

• electrons

• positrons

• neutrons

• protons

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NGSS.MS-PS1-1

The central region of an atom where its neutrons and protons are is its

• nucleus

• electron cloud

• core

• center

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Particles in an atom that are neutral and have no charge are

• negatrons

• electrons

• neutrons

• protons

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NGSS.MS-PS1-1

A particle that moves around the nucleus is a(n)...

• Proton
• Neutron
• Electron
• Quark

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What does the 1.00794 stand for?

• Hydrogen

• atomic number

• atomic mass

• atomic explosion

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NGSS.HS-PS1-1

In the modern periodic table, elements are arranged by:

• atomic mass

• atomic number

• valence electrons

• number of isotopes

An atom with atomic number 6 would have how many protons

• 6

• 12

• 3

• cannot be determined

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NGSS.MS-PS1-1

What is the number of protons that the element in this image contain?

• 14

• 7

• 15

• 18

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NGSS.MS-PS1-1

What are the 3 particles that make-up the atom?

• protons, neutrons, and isotopes
• neutrons, isotopes, and electrons
• positives, negatives, and electrons
• protons, neutrons, and electrons

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NGSS.MS-PS1-1