In: Chemistry
Determine the element that is not correctly described
A. |
Ti is a d-block element that has two 3d electrons |
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B. |
Ar is a second period monoatomic gas |
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C. |
S is a p-block element with four 3p electrons |
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D. |
The first ionization energy of Na is lower than the first ionization energy of Mg |
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E. |
I is a group-7 element, and exists as a solid at room temperature |
B. Ar is a second period monoatomic gas.
Argon belongs to 18th group of the periodic table.
Argon belongs to 3rd period of the periodista table.
Argon belongs to p-block of the periodista tablle.
period Number | Elements of 18th group |
1 | Helium |
2 | Neon |
3 | Argon |
4 | Krypton |
5 | Xenon |
6 | Redon |
7 | Ununoctium |