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Ionic
Covalent
Properties and Changes
Moles
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100

Do ionic compounds share or give/take electrons?

Give/take

100

Name this formula:

CCl4

Carbon tetrachloride

100

Name 2 of the 4 extensive properties

Mass, volume, length, amount of moles

100

Convert 12.7 moles of Ca to grams of Ca

509 grams Ca

100

This is the electron configuration for which element?

1s2 2s2 2p6 3s2 3p6 4s2 3d2

Titanium

200

Name 2 of the 4 ways you can make an ionic compound

metal/nonmental

metal/polyatomic ion

2 polyatomic ions

nonmetal/polyatomic ion

200

What is the formula for this compound:

Xenon Hexafluoride

XeF6

200

Which of the following is evidence of a chemical change?

Melting of H2O

Formation of a precipitate

Sublimation of H2O

Formation of a precipitate

200

Convert 1.27 E 24 formula units of CaCl2 to grams. 

234 grams

200

What did Ernest Rutherford do?

Gold Foil Experiment- alpha particles were shot at a piece of gold foil. Some refracted which led to the conclusion of protons being in the center of the atom. 

300

Name the following compound:

Ca3(PO4)2

Calcium Phosphate

300

What VSEPR (molecular geometry) shape does a substance with only 2 atoms have?

Linear

300

What is a property that group I and group II share on the periodic table?

React with water (group 1 reacts explosively!)

300

Convert 2.37 grams of CaCl2 into ions of Cl

2.57 E 22 ions Cl

300

Why do we not include the noble gases in the electronegativity trend?

They are mostly unreactive (full valence shell), so they don't need to attract.

400

What is the formula for Copper (II) Chloride?

CuCl2

400

What VSEPR (molecular geometry) shape has 4 bonds and 0 lone pairs on the central atom?

Tetrahedral

400

Which of the following has the largest atomic radii?

H, Na, Rb, K

Rb

400

Convert 5.5 E 27 formula units of MgO to ions of Mg

5.5 E 27 ions of Mg

400

What did J.J. Thomson discover?

That substances have negatively charged particles because they deflected from the cathode plate(negative) and towards the positive anode plate

500

Draw a Barium Sulfide compound

(teacher draw)

500

Draw the bond between Nitrogen (N2)

(Teacher Draw)

500

Which of the following has the greatest 1st ionization energy?

As, Sb, P, N

N

500

Convert 225 grams of Li+ into Lithium ions.

1.95 E 25 ions

500

What 2 pieces of information must you have to solve for the molecular formula?

Empirical formula, molar mass of the molecular formula