Chemical Bonding Test Review

The electrons in an atoms outermost shell are called

• molecular

• valence electrons

• electrons

• atom

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NGSS.HS-PS1-1

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sodium wants to lose ___ electron to become isoelectronic with neon

• 3

• 0

• 5

• +1

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

when magnesium gets the same electron configuration as Ne it has __ charges

• +2

• 0

• +3

• None above

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NGSS.HS-PS1-1

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a __ covalent bond consists of 2 shared electrons

• valence

• double

• single

• shared

the ___ say that most atoms want 8 electrons in their outermost shell

• Nobel gases

• octet rule

• electron dot system

• none above

in ionic bonding the two ways atoms can get the same configuration as a noble gas is by ____ or ____

• gain , sharing

• loses , Gain

• gaining, adding

• none of the above

In covalent bonding atoms __ electrons

• gain

• split

• share

• loses

Atoms in group 15 will ___ three electrons to get a -3 charge

• none

• Add

• Lose

• Gain

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NGSS.HS-PS1-1

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Molecules with 5 atoms like CH4 will have a ___ shape

• tetrahedral

• linear

• pyramid

• bent

the VSEPR theory stands for the ______________ theory.

• valence shell electrons pair

• valence electrons

• atom

• electrons