Seventeen Point Three

Which elements are found along the zig-zag line?

• metals

• nonmetals

• metalloids

• superconductors

What type of bond will this ammonium chloride compound likely form?

• Ionic compound

• Covalent compound

• Metallic compound

What type of bond will this ammonia compound likely form (NH₃)?

• Ionic compound

• Covalent compound

• Metallic compound

Tags

NGSS.MS-PS1-1

Carbon can form in all of these ways!  These are _________ of carbon.

• allotrope

• copy cats

• polymers

• elements

Tags

NGSS.MS-PS1-1

How do covalent bonds form?

• Donating & receiving valence electrons between atoms

• Oppositely charged ions attract each other & form bonds

• Scientists are still not sure how they form

• Sharing valence electrons between atoms

Which of the following apply to noble gases?

• Full valence shell

• Stable

• Form compounds

• Glow with electric current

• Explosive

These are nobel gases.   They will bond with

• oxygen

• each other

• nothing

• anyone they meet

The most reactive group of nonmetals in group #

• 15

• 16

• 17

• 18

What is the atomic number of chlorine?

• 15

• 16

• 17

• 18

Which of the following elements has a full valence shell?

• Helium

• Oxygen

• Chlorine

• Nitrogen