1. Using only the periodic table arrange the following elements in order of incr

Question

1. Using only the periodic table arrange the following elements in order of increasing ionization energy:
helium, radon, xenon, krypton

2. Using only the periodic table arrange the following elements in order of increasing ionization energy:

astatine, lead, thallium, radon

Highest _______

3. Using only the periodic table arrange the following elements in order of increasing atomic radius:

helium, radon, xenon, krypton

Largest

4.Using only the periodic table arrange the following elements in order of increasing atomic radius:
astatine, cesium, barium, thallium

Explanation / Answer

1) Helium > Krypton > Xenon > Radon

2) Radon > Astatine > Lead > Thallium

3) radon > Xenon > krypton > Helium

4) Cesium > Barium > Thallium > Astatine

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