Exam #1 Review

Atoms/Periodic Table

100

Match the masses to the subatomic particle

1. Proton                    a. 0.00055

2. Neutron                  b. 1.008

3. Electron                  c. 1.007

Proton = 1.007 amu

Neutron = 1.008 amu

Electron = 0.0005 amu

200

What statement is false?

1. Beryllium is a metal

2. Tellurium is a nonmetal

3. Boron is a metalloid

2. Tellurium is a nonmetal

300

Which element has the greatest ionization energy?

Sulfur

Chlorine

Bromine

Chlorine

400

How many valence electrons in iodine?

7 valence electrons

500

What element has the greatest atomic size?

Sulfur

Chlorine

Sellenium

Selenium

Conversions

100

Convert 13.0 Joules to calories

3.12 calories

200

How many milliseconds in 7.00 hours?

2.52 x 10^7 ms 

or

25,200,000 ms

300

How many mg are equal to 3.20 Gigagrams? (in scientific notation)

3.20 x 10^12 mg

400

Convert 17.0 Tm/sec to m/min (in scientific notation)

1.02 x 10 ^ 15 m/min

500

What is the largest quantity?

a. 1.23 x 10^3 Petagrams

b. 12.3 x 10^-5 kilograms

c. 1.23 x 10^15 decigrams

a. 1.23 x 10^3 Petagrams

Energy

100

How many Kelvins in 153. degrees Celsius?

426 Kelvins

200

How many kilocalories in 8.00 Joules?

0.00191 kcal

or

1.91 x 10^-3 kcal

300

Sally ate a bag of Doritos that has 200 calories and 10 grams of fat. What percent of calories come from fat alone?

45% of calories come from fat

400

What are the state changes occurring in vaporization and fusion?

Vaporization = change b/w liquid and gas

Fusion = change b/w solid and liquid

500

What is the specific heat of a given metal if 100. grams of the metal absorbs 7.32 kJ and its temperature rises from 173 C to 196 C?

3.18 J/g degrees C

Electron Configuration

100

What is the electron configuration of Nitrogen?

1s²  2s² 2p³

200

What is the noble gas configuration of strontium?

[Kr] 5s²

300

What is the orbital diagram for sodium?

...

400

What is the electron configuration for Barium?

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²

500

1.Oxygen                         a. 1s²2s²2p⁶3s²3p⁶4s²3d²

2. Titanium                      b.  1s²2s²2p⁶3s²3p⁶

3. Argon                          c. 1s²2s²2p⁴

1. Oxygen = 1s²2s²2p⁴ (c.)

2. Titanium = 1s²2s²2p⁶3s²3p⁶4s²3d²  (a.)

3. Argon = 1s²2s²2p⁶3s²3p⁶ (b.)

Miscellaneous

100

What is the answer to this equation? (use correct sig figs)

97.46 - 3.10 - 0.034

94.33

200

What is 9,460,020 in scientific notation, using 3 sig figs?

9.46 x 10⁶

300

What classification of matter is chocolate pudding?

homogeneous mixture

400

What is the average atomic mass of Carbon-14.00 (64.97% abundance) and Carbon-12.00 (35.03%). 

13.30 amu

500

What is Andrea's favorite place to eat downtown?

Bruegger's Bagels