SI CHEM 115 Quiz 2 Review

Atoms

100

What is the atomic # and symbol of Helium?

2 / He

200

What is the Atomic # and symbol of Oxygen?

8 / O

300

What is the atomic # and full name of Be?

4 / Beryllium

400

What is the atomic # and full name of Na.

11 / Sodium

500

What is the atomic # and full name of F.

9/ Fluorine 

Significant Figures

100

How many sig figs are in 100000000000?

1 s.f.

200

How many sig figs are in 2.6556 x 10⁶?

5 s.f. 

300

How many sig figs are in "3000." ?

4 s.f.

400

How many sig figs are in: 0.0004500?

4 s.f.

500

How many sig figs are in: 5.444000?

7 s.f.

Addition /Subtraction

100

15.17 + 1.233 = ?

16.40

200

34.8 – 12.52 – 2.146 = ?

20.1

300

58.72 + 1.832 + 317 =?

378

400

124.816 - 27.19 - 68.1724 =?

29.45

500

75.344 + 1.648 – 95.25 =?

-18.26

Division /Multiplication

100

52.1 ÷ 2.732 ÷ 7.1=?

2.7

200

13.25 x 73.1 x 5.872=?

5.69 x 10³

300

5.151 ÷ 0.729 x 1.578 =?

1.12 x 10¹

400

(13.2 − 1.4) × 4.942=?

5.83 x 10¹

500

(5.87 + 16.144) ÷ 2.5 =?

8.8

Random Trivia

100

How many calories are in a large Oreo Milkshake from Baskin-Robbins?

1,440 Calories

200

How tall is the tallest statue in the world? (guess in ft)

The Statue of Unity stands at 597 ft.

300

What is the oldest Science on Earth?

Astronomy

400

What word does "Chemistry" derive from?

Alchemy

500

What is the first Western Autobiography? (Hint: It was written around 400)

Confessions by Saint Augustine