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One word answers
Miscellaneous
Endo or Exo?
Bonding
IMFs& Metals
100

Compounds can only be separated by _____ means while mixtures are separated by ____ means.

What is Chemically and Physically

100
The type of bonding seen in a molecule of BF3
What is Polar covalent
100

Bond breaking

What is endothermic?

100

The hybridization of CH4

What is sp3

100
Which compound would have a great lattice energy and why?   KI or CaI2

CaI2 Ca has a larger charge and K and is a smaller ion

200

This process separates mixtures based on polarity

What is chromatography

200

The products of combustion reactions are always

What is CO2 and H2O?

200

Negative delta H

What is exothermic?

200

The bond angle between atoms in a tetrahedral shape:

What is 109.5 

200

All molecules contain this type of IMF

What are london dispersion forces?

300
An electron in n= 3 has ______ Coulombic attraction to the nucleus than an electron in n=2

What is LESS

300
Identify three of the 5 postulates of the Kinetic Molecular Theory

1. Particles move in rapid straight line motion

2. KE is proportional to Kelvin temperature

3. Particles have no volume

4. IMFs are negligible

5. Collisions are elastic

300

The surroundings increase in heat while the system loses heat

What is exothermic?
300

Explain why XeF2 is a linear molecule. 

It has two bonded atoms with three lone pairs circling in an opposite plane.

300

For hydrogen bonding to occur, Hydrogen must be bonded to one of these three highly electronegative atoms:

F, O or N

400

In PES diagrams, the larger the binding energy, the ______ to the nucleus the electron.

What is CLOSER

400

Which of these gasses is most likely to deviate from ideal gas behavior and why?

He, Ne or Ar?

Ar is the largest, and ideal gasses are based on gasses having negligible, or close to negligible volumes.

400

The products have a higher energy content than the reactants

What is endothermic

400

To what family does a square pyramidal shape belong?  Identify the number of bonded pairs and lone pairs:

What is a family 6?  Five bonded atoms, one lone pair.

400

What enables metals to be good electrical conductors?

What are free flowing & delocalized electrons ?

500

Elements in the same ______ have similar chemical properites.

What is GROUP

500

This formula can be used to find the molar mass of a gas when you know it's temperature, pressure and density:

What is MM = dRT/P

500
A favorable delta H condition that should usually result in a spontaneous reaction:

What is exothermic

500

Name all the shapes that can be a family five:

What are trigonal bipyramidal; see saw; T shape and linear

500
Describe the particles of an interstitial alloy versus those of a substitutional allow:

Interstitial allows are made when smaller atoms fit into the gaps between larger atoms while substitutional allows are made when different atoms of similar size are substituted into a crystal lattice.