Chemical Bonds

Atoms gain lose, gain, or ______electrons to get a stable outer energy level.

• share
• split
• create
• destroy

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NGSS.HS-PS1-1

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A ____________is the force that holds atoms together in a compound.

• Chemical Formula
• Chemical Reaction
• Chemical Bond
• Synthesis Reaction

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NGSS.HS-PS1-3

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A _______ is a charged particle because it has more or fewer electrons than protons.  When an atom _____ an electron, it becomes a positively charged ion.  When an atom ____an electron, it becomes a negatively charged ion.

• isotope, gains, loses
• isotope, loses, gains
• ion, loses, gains
• ion, gains, loses

An ionic compound is held together by the _______--the force of attraction between opposite charges of the atoms.

• Covalent Bond
• Ionic Bond
• Synthetic Bond
• Molecular Bond

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NGSS.HS-PS1-3

A ________is the force of attraction between atoms sharing electrons.

• Synthetic Bond
• Ionic Bond
• Molecular Bond
• Covalent Bond

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NGSS.HS-PS1-1

Which of the following describes covalent bonds?

• Bonds form because of opposite charges

• electrons are shared to fill outer electron shells

• Electrons are transferred between atoms

• Covalent bonds are magical

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NGSS.HS-PS1-1

Valence electrons are the...

• Innermost electrons
• Middle electrons
• Outermost electrons
• Any electrons

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NGSS.HS-PS1-1

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According to the Octet Rule, atoms of elements react with each other in order to attain ____ electrons in their outermost energy level or shell.

• 2

• 4

• 6

• 8

• 10

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NGSS.HS-PS1-1

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This atom will

• lose 2 electrons

• gain 2 electrons

• lose 6 electrons

• gain 6 electrons

• do nothing

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

This atom will

• lose 1 electron

• gain 1 electron

• lose 7 electrons

• gain 7 electrons

• do nothing

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2