Atoms, Molecules, Compounds, and Elements: Part 2

When creating or working with models of atoms and molecules, an atom is represented as a __________________ .

• circle

• circus

• semi-circle

• box

When atoms are touching or connected by lines, they are ____________ together.

• bonded

• glued

• happy

• pasted

A group of atoms boned together is known as a ______________ .

• mommy cue

• morning dew

• lumpity dumpidy

• molecule

How many atoms of each is there in the chemical formula H₂O?

• 3 total

• 3 Oxygens and 2 Hydrogens

• 1 Hydrogen and 2 Oxygens

• 2 Hydrogens and 1 Oxygen

From the list below, select 3 substances that are considered "Extended Structures."

(you must select 3 answers)

• Diamond

• DNA

• The Rock's Bulging Biceps

• Salt Crystal

• Optimus Prime

Look at the image to the left for this question...

How many Oxygen atoms would you have to have to make Nitrate?

• 3

• 2

• 1

• none

Which sentence describes this substance (a diamond)?

• An extended structure made of the same element.

• An extended structure made of molecules that are attracted to each other.

• A simple molecule made of different elements.

• An extended structure made of different elements.

For this question, you must use a periodic table of elements...

What are the atomic symbols for... Magnesium,  Plutonium,  Chlorine

(type the 3 atomic symbols in the correct corresponding order per above)

• Mg, Pu, Cl

• M, Pu, C

• Mg, P, C

• Mo, Larry, Curly

Which picture matches the formula C₃H₈O?

(black = carbon, red = oxygen, white = hydrogen)

• A

• B

• C

• D

Which formula matches this molecule?

(white = hydrogen, blue = nitrogen, yellow = fluorine)

• A

• B

• C

• D