Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
100

Chemistry is considered a ______________ science.

Central

100

Quantitative data deals with

Numbers

100

State that atoms cannot be subdivided, created or destroyed.

John Dalton

100

What question was still be asked about electrons at the beginning of the 1900s?

Where are they?

100
Organized the Periodic Table by p+

Moseley

200

The branch of Chemistry pertaining to matter and its relationship to Energy.

Physical
200

List three of the seven base units of the SI system

Mass (g)

Length (m)

Time (s)

Temperature (K)

Amount of Substance (mole)

Current (A)

Luminous Intensity (cd)

200

This lab device was used to help discover the electron by passing electric current through compressed gas and exposing the beam created to a magnet.

Cathode Ray Tube

200

If n = 5, how many electrons are present?

50 electrons

200

The repeating of trends from left to right and top to bottom on the Periodic Table

Periodic Law

300
The three building blocks of matter

Atom, Element, Compound

300

Convert 25.03 kg into dg.

250,300 dg

300

How did scientists know to continue the search within the atom to discover the nucleus?

1) If there was a negative there had to be a positive.

2)  The electron did not account for the mass of the atom.

300

Calculate the frequency of a wave with a wavelength of 698 nm.

v = 4.30 x 1014 Hz

300

What is the name and group number of the most reactive group of nonmetals on the Periodic Table?

Group 17--the Halogens

400

The two properties used to differentiate between a solid, liquid and gas

Shape and Volume

400

A substance has a Density of 2.549 g/cm3 and a mass of 63.0 g.  What is the volume of the substance?

V = 24.7 cm3

400

Calculate the p, n, and e- in Ge-74.

p = 32

n = 42

e- = 32

400

Explain the process of absorption within an atom.

When electrons are hit with photons of energy and absorb the energy.  They then jump to the next energy level.
400

The ability of an atom to attract electrons is known as 

Electronegativity

500

What is the difference between a mixture and a pure substance?  List an example of each.

Mixture--can be physically separated

Pure Substance--Cannot be broken down any further.

Ex:  Will Vary

500

A student conducts an experiment and receives a density of 3.89 g/mL.  The known value provided for the density is 4.01 g/mL.  What is the students percent error?  Is this good data? Explain.

2.99 % Error

Yes, this is good data because it is under 5%

500

How many atoms are in 4.006 g of Mn?

4.391 x 1022 atoms of Mn

500

Write the electron configuration for Br and answer the following:

1) Highest Energy Level?

2)  Valence e-?

3) Unpaired e-?

1s22s22p63s23p64s23d104p5

1) 4

2) 7

3) 1

500

For the element P, answer the following:

1) Group

2) Valence

3) Gain/Lose

4) Charge

5) Cation/Anion

6) What happens to the Ionic Radii?

1) 15

2) 5

3) Gain

4) P-3

5) Anion

6) Increases/Gets Larger

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