Periodic Table
Boyle's Law
Compounds
Molecular Shapes
Chemical Equilibrium
100

Which atom has the largest atomic mass?

Oganesson

100

To change a temperature expressed in degrees celsius to a temp on the kelvin scale, what must be done to the celsius temp?

Add 273
100

Determine whether Co2 is ionic, covalent, or both.

Covalent

100

How many electrons does Ca have?

2

100

What is a catalyst

Something that speeds up a reaction by lowering the activation energy

200

What is the first atom in the periodic table?

Hydrogen

200

Why do we use the kelvin scale in gas law problems?

So there is no negative.

200

Determine whether BaSO4 is ionic, covalent, or both.

Both

200

How many electrons does F have?

7

200

Which way does the stress move?
PCl5 -⇔ PCl3 + Cl2 + heat

Left

300

How many element groups are there?

18

300

The volume occupied by a sample of gas is 240.0 mL when the pressure is 1.20 atm, what volume at constant temp, will the gas occupy when the pressure is decreased to 0.860 atm?

335 ml

300

What is an ionic compound?

metal and non metal

300

What is the structural shape of HBr?

Linear

300

Which way does stress move?

C2H2 + H2O ⇔ CH3CHO + heat

Right

400

Atomic number for Beryllium?

4

400

The volume of a sample of gas is 25.0 mL when the temperature is 270k. If the temperature is changed to 30.0 C, what will be the new volume occupied by the gas assuming that the pressure remains constat?

28 mL

400

What is a covalent compound?

Nonmetal and nonmetal.

400

What is NH3 shape?

Trigonal pyramid.

400

Which reaction continues to occur after equilibrium has been reached?

neither the forward nor the reverse reaction
the forward reaction only
both the forward and reverse reactions
the reverse reaction only:

Neither the forward nor the reverse reaction

Forward reaction

Both forward and reverse reaction

reverse reaction 



Both

500

List 3 noble gases.

Helium, neon, argon, krypton, xenon, radon and oganesson

500

When the volume of a sample of gas is divided by the temperature of the gas, the result is 1.33 mL/K. The temperature of the gas is changed to a new value which is 411 K . What volume does the sample of gas occupy at 411 K?

546.64 mL

500

Is Sulfur Trioxide an element or compound?

Compound

500

What is the molecular structure of Propane? (C3H8)

Tetrahedral

500

State the direction the equilibrium will shift. Identify one other way in which the reaction could be shifted in the same direction you indicated.

2NCl3 ⇔ N2 + 3Cl2; NCl3 added

right; remove N2 or Cl2

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