AP CHEM Part 1

Unit 1

100

Which numbers are significant in a number?

All non-zeros, trailing zeros, and zeros between two sigfigs.

200

What does Avogadro's Number represent? And what is the number?

It represents the number of objects in a mole. 

6.02 x 10^23

300

What is the orbital notation for Zinc?

1s2 2s2 2p6 3s2 3p6 4s2 3d10

400

What is the formula for Coulomb's Law?

F=K (q1 x q2)/d^2

500

Find the empirical formula of C₆H₃O₉

C2H

Unit 2

100

If the difference in electronegativity between two elements is less than 0.5, then it is a ____ bond.

Nonpolar

200

Melting point ___ as ionic size increases due to Coulomb's Law.

Decreases

300

What is a resonance structure?

An alternate formation of a Lewis dot diagram for compounds that can be drawn multiple ways.