Unit 1 Chemistry Chapter 1

Which particle has a positive charge?

• electron
• orbital
• proton
• neutron

Choose the particle that has no charge.

• nucleus
• neutron
• proton
• electron

This particle determines what element you have - the elements identity.

• electron
• proton
• neutron
• valence shell

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An electron has a _____ charge.

• negative
• positive
• neutral

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What are valence electrons?

• electrons on the first orbital always
• nucleus
• the outermost shell
• the number of electrons on the outermost orbital

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NGSS.HS-PS1-2

Which particles make up the nucleus of an atom?

• protons and neutrons
• electrons and protons
• electrons, protons, and neutrons
• electrons and neutrons

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What is the mass number and name of an element with 8 protons and 8 neutrons?

• 16 - Carbon
• 16 - Oxygen
• 24 - Oxygen
• 8 - Neon

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An element with a mass number of 10 and an atomic number of 6 has how many protons?

• 5
• 8
• 6
• 10

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NGSS.MS-PS1-1

What is the atomic mass of the atom pictured? 

• 11
• 12
• 22
• 23

Tags

NGSS.MS-PS1-1

What is the atomic number of the atom pictured? 

• 11
• 12
• 22
• 23

Tags

NGSS.MS-PS1-1