SC1 Jeopardy

Periodic Trends

Isotopes

Electron Configuration

Average Atomic mass

Periodic Table

100

Bigger atomic radius: Fe or Ru?

100

What is an isotope

2 atoms with same number of protons, different number of neutrons, different mass

100

1s²2s²2p⁵

Fluorine

100

Isoptope 1: mass = 12, 98.90%

Isotope 2: mass = 13.003355, 1.10%

12.011

100

The row on the periodic table

period

200

Smaller electronegativity: Nb or Co?

200

Are these isotopes?

Atom Protons Neutrons Electrons

1 7 7 10

2 7 7 7

no, they are ions

200

[Rn]7s²6d¹5f³

Uranium

200

Isoptope 1: mass = 14.003074, 99.63%

Isotope 2: mass = 15.000108, 0.37%

14.007

200

the column on the periodic table

group

300

Smaller ionization energy: Nb or Co?

300

Which ones are isotopes of each other?

Atom Protons Mass Electrons

1 8 16 8

2 8 17 10

3 9 16 8

1 and 2

300

extended electron configuration for argon

1s²2s²2p⁶3s²3p⁶

300

In a sample of 400 lithium atoms, it is found that 30 atoms are lithium-6 (6.015 amu) and 370 atoms are lithium-7 (7.016 amu). Calculate the average atomic mass of lithium.

6.94 amu

300

located in the d-block

transition metals

400

bigger ionic radius: K⁺ or Br^-

Br^-

400

An atom has 29 protons and 37 neutrons. What is the correct chemical symbol?

⁶⁶₂₉Cu

400

full electron configuration for Nd

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²5d¹4f³

400

Copper occurs naturally as Cu-63 and Cu-65. Which isotope is more abundant?

Cu-63

400

Block that gases are located in?

p block

500

Smaller ionic radius: Li⁺¹ or B⁺³

B⁺³

500

Do neutrons determine the element we are looking at? Why or why not?

No, they do nothing but change the mass.

500

Valid or not: [Ra]7s²6d²5f³

500

Copper has two naturally occuring isotopes. Cu-63 has an atomic mass of 62.9296 amu and an abundance of 69.15%. What is the atomic mass of the second isotope? What is its atomic symbol?

⁶⁵₂₉Cu

500

This corresponds to the energy levels

period number