2nd Trimester - Quiz 1 - 9th - Chemistry (23 - 24)

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 Potasium (K)?

1s² 2s² 2p⁶ 3s² 3p⁶ 4s1

400

What is the electron configuration for Silver (Ag)?

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d⁹

500

What is the electron configuration for Bismuth (Bi)?

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p³

Valence Electrons 1

100

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

Valence electrons

200

How many valence electrons does Aluminum (Al) have?

3

300

How many valence electrons does Sulfur (S) 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

Valence Electrons 2

100

Which of the next elements has more valence electrons: Selenium (Se) or Gallium (Ga)?

Selenium (Se)

200

Which of the next elements has less valence electrons: Barium (Ba) or Boron (B)?

Barium (Ba)

300

Arrange the next elements from the one with more to the one with less valence electrons: Sn, Br, K, S

Br, S, Sn, K

400

Arrange the next elements from the one with less to the one with more valence electrons: Si, I, Sb, Mg, Cs

Cs, Mg, Si, Sb, I

500

Arrange the next elements from the one with more to the one with less valence electrons: Ca, O, Ge, In, F, Li

F, O, Ge, In, Ca, Li

Octet Rule & Ions 1

100

It states that atoms tend 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.

An Ion

300

How many valence electrons does Strontium (Sr) have to lose to complete the octet rule?

2

400

How many valence electrons does Arsenic (As) have to gain to complete the octet rule?

3

500

How many valence electrons does Argon (Ar) have to gain to complete the octet rule?

0

Octet Rule & Ions 2

100

These are ions with positive electrical charge

Cations

200

These are ions with negative electrical charge

Anions

300

How many electrons does Cu⁺² have?

27

400

How many electrons does Sb^-3 have?

54

500

Between Al⁺³ and Ne, which one has more electrons?

The have the same number of electrons