2nd Trimester - Quiz 1 - 9th - Chemistry

Electron Configuration

100

How many principal energy levels an atom might have?

7

200

What are the names of the 4 energy sublevels an atom might have?

s, p, d, f

300

What is the electron configuration for Sodium (Na). Atomic Number = 11

1s² 2s² 2p⁶ 3s¹

400

What is the electron configuration for Cobalt (Co). Atomic Number = 27

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁷

500

What is the electron configuration for Cadmium (Cd). Atomic Number = 48

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰

Valence Electrons

100

These are the electrons located in the outermost energy level of an element

Valence electrons

200

Since Aluminum (Al) is in group 3A, how many valence electrons does it have?

3

300

Since Sulfur (S) is in group 6A, how many valence electrons does it have?

6

400

How many valence electrons does Neon (Ne) have?

8

500

A new nonmetal element has been discovered, since it was determined to have 7 valence electrons, in which group will it be located?

7A

Octet Rule

100

It is the tendency for the atoms to have eight electrons in their last principal energy level.

The Octet Rule

200

Is an electrically charged atom of an element formed by losing or gaining one or more electrons to complete the octet rule.

An Ion

300

Sodium (Na) is at group 1A, how many valence electrons does it have to lose to complete the octet rule?

1

400

Oxygen (O) is at group 6A, how many valence electrons does it have to gain to complete the octet rule?

2

500

Neon (Ne) is at group 8A, how many valence electrons does it have to gain to complete the octet rule?

0

Monatomic Ionic Compounds (Formulas)

100

What is the formula for this compound: Cadmium Bromide?

CdBr₂

200

What is the formula for this compound:Barium Sulfide?

BaS

300

What is the formula for this compound: Tin(IV) Oxide?

SnO₂

400

What is the formula for this compound: Nickel(II) Oxide?

NiO

500

What is the formula for this compound: Manganese(III) Phospide?

MnP

Monatomic Ionic Compounds (Names)

100

What is the name for this compound: ZnCl₂?

Zinc Chloride

200

What is the name for this compound: Be₃N₂?

Beryllium Nitride

300

What is the name for this compound: Cr₂O₃?

Chromium(III) Oxide

400

What is the name for this compound: FeO?

Iron(II) Oxide

500

What is the name for this compound: PbS₂?

Lead(IV) Sulfide