CCU4 Advanced Econfig Isoelectric

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Multiple Choice

Which statement is true:
Mg → Mg²⁺ + 2e^–

• Mg gains 2 electrons
• Mg_²⁺ loses 2 electrons
• Mg loses 1 electron
• Mg loses 2 electrons

Multiple Choice

The electron configuration of an atom is 1s²2s²2p⁶.  The number of electrons in the atom is 

• 3
• 6
• 8
• 10

Multiple Choice

Cu+ would be called

• Copper (I) ion

• Coppide ion

• Copper Ion

• Copper(+) ion

Drag and Drop

What is the electron configuration of Cu⁺

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Drag these tiles and drop them in the correct blank above

[Ar]

[Kr]

[K]

[Ar][ or [​Ne]3s²3p⁶

[Ar][ or [​Ne]3s²3p⁶

[Ar][ or [​Ne]3s²3p⁶

• Circle the pairs that are isoelectronic?

              F^- and Ne          Zn²⁺ and Cu²⁺          Cl^- and S             
. K⁺ and Cl^-        Mn²⁺ and Ar             Fe²⁺ and Co³⁺

Multiple Choice

In the alkali metals, which element has a larger atomic radius?

• lithium, Li

• sodium, Na

• potassium, K

• cesium, Cs

Multiple Choice

Is HNO₃ an acid or base?

• Acid
• Base

Multiple Choice

PO₃^-3

• Phosphate
• Peroxide
• Phosphite
• Cyanide

Multiple Choice

How many peaks would be expected for a PES spectum for Calcium?

• 2

• 3

• 4

• 6

Multiple Choice

Looking at period 3, which element has the smallest atomic radius?

• Mg

• Cl

• Al

Multiple Choice

Acid, Base, Salt: H₂CO₃

• Acid

• Base

• Salt

Multiple Choice

4. If you have a 1.33 L canister that holds 2.31 moles of gas, and the temp is 1400°C, what is the pressure in the canister?

• Ideal Gas Law

  PV=nRT

• Combined Gas law

  $$\frac{P_1V_1}{n_1T_1}=\frac{P_2V_2}{n_2T_2}$$

• Ideal Gas Law

  (PV=nRT) + molar mass

• STP (1 mole = 22.4)

Multiple Choice

As you move down the periodic table atoms get bigger.  This is because ____________.

• The atoms have more mass.
• The atoms have more protons.
• The atoms have more energy levels
• The atoms have more nuetrons

Multiple Choice

The more protons there are, the  ____ .

• Weaker the pull
• Smaller the electrons
• Stronger the pull
• The bigger the electrons

Multiple Choice

5. A gas has a volume of 240.0mL at 25°C and 0.789 atm. Calculate its volume at STP.

• Ideal Gas Law

  PV=nRT

• Combined Gas law

  $$\frac{P_1V_1}{n_1T_1}=\frac{P_2V_2}{n_2T_2}$$

• Ideal Gas Law

  (PV=nRT) + molar mass

• STP (1 mole = 22.4)

Multiple Choice

Which element's atom is larger? Nitrogen or Phosphorus?

• Nitrogen

• Phosphorus

Multiple Choice

How many orbitals are there in the f sublevel?

• 7

• 5

• 3

• 9

Multiple Choice

The PES spectrum below is for the element _______________.

• O

• Ne

• N

• F

Multiple Choice

Nitrate

• NO^-
• NO₂^-
• NO₃^-
• NO₄^-

Multiple Choice

The correct lewis dot diagram for nitrogen would be

• E

• F

• G

• H

Explanation Slide...

Nitrogen has 5 valence electrons, so the correct lewis dot diagram has 5 dots

Multiple Choice

What is the element?

• sulfur

• chlorine

• phosphorus

• silicon

Multiple Choice

An atom has the configuration 1s² 2s² 2p³. Will it gain or lose electrons?

• It will lose 5 electrons

• It will gain 2 electrons

• It will gain 3 electrons

• It will lose 3 electrons

• It will gain 5 electrons

Reorder

Put these in the correct order

• 1s

• 2s

• 2p

• 3s

• 3p

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Multiple Choice

Which of the following is the electron configuration for neon?

Explanation Slide...

Add up all of the electrons - it has 7 electrons, so it must be nitrogen. Nitrogen has 5 valence electrons, but it wants 8. Therefore, it will steal 3 more electrons to form a charge of -3.

Multiple Choice

Which of the following would be the Lewis Dot Diagram for an aluminum ion?

Multiple Choice

Which of these diagrams shows an ion for an element from group 15?

Multiple Choice

Which Lewis electron-dot diagram is correct for an S^2- ion?

Multiple Choice

What is the noble gas configuration for Sulfur?

• [Ar] 3p⁴
• [He] 3s² 3p⁴
• [Ne] 3s² 3p⁴
• [Na] 3s² 3p⁴
  

Multiple Choice

6.  57 g of chlorine dioxide is held at 376 kPa and 796 K. What is the volume of its container in liters?

• Ideal Gas Law

  PV=nRT

• Combined Gas law

  $$\frac{P_1V_1}{n_1T_1}=\frac{P_2V_2}{n_2T_2}$$

• Ideal Gas Law

  (PV=nRT) + molar mass

• STP (1 mole = 22.4)

Multiple Choice

8. A gas sample contained in a moveable piston occupied 300. mL at a pressure of 2.0 atm. What would be the final pressure if the volume were increased to 500. mL?

• Ideal Gas Law

  PV=nRT

• Combined Gas law

  $$\frac{P_1V_1}{n_1T_1}=\frac{P_2V_2}{n_2T_2}$$

• Ideal Gas Law

  (PV=nRT) + molar mass

• STP (1 mole = 22.4)

Multiple Choice

Which ion in the ground state has the same electron configuration as an atom of argon in the ground state?

• Al³⁺

• O^2-

• K⁺

• F^-

Multiple Choice

HCO₃^-1

• Bicarbonate

• Acetate

• Hypochlorite

• Cabrbonate

Multiple Choice

What is the electron configuration for this PES graph?

• 1s²2s²2p⁶3s²3p²

• 1s²2s²2p⁶3s²3p¹

• 1s²2s²2p⁶3s²3p³

• 1s²2s²2p⁶3s²

Multiple Choice

What is the name of this polyatomic ion?  CO₃^-2

• Carbonate
• Chromate
• Carbonite
• Chlorate