Intro to Chemical Bonding

This is the correct dot diagram for sodium, group 1

• true

• false

Tags

NGSS.MS-PS1-1

Cation is ....

• negatively charged

• positively charged

• neutral

• a vegetable

Which type of bonding has the unequal sharing of electron pairs between two atoms?

• Ionic

• Non-polar Covalent

• Polar Covalent

This is a correct dot diagram for carbon (C)

• true

• false

Tags

NGSS.MS-PS1-1

Ionic compounds are made of ___________.

• two metals

• two non-metals

• a metal and a non-metal

• none of the above

This is because metals tend to ____ electrons while non-metals tend to ____ electrons.

• lose, lose

• lose, gain

• gain, lose

• gain, gain

Tags

NGSS.MS-PS1-5

Group 2 elements tend to form ions with a charge of?

• +2

• 2+

• -2

• 2-

Tags

NGSS.HS-PS1-2

Elements in group 15 tend to form ions with a charge of ___.

• +5

• -5

• +3

• -3

Ionic compounds are electrically neutral.

• True

• False

Tags

NGSS.HS-PS1-7

Elements in group 2 form ions with +2 charge as their atoms ____________ .

• lose valence electrons

• gain valence electrons

• lose 2 valence electrons

• gain 2 valence electrons