WebOn the periodic table, hydrogen and helium are the only two elements in the first row, or period, which reflects that they only have electrons in their first shell. Hydrogen and … WebNov 12, 2013 · Group 1 and Period 2 on the periodic table Atomic Number: 10 Symbol: Ne State of Matter: gas Metallic Character: Noble Gas Configuration: [He] 2s2 2p6 Fact: …
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WebNov 21, 2024 · The key difference between group 1 and group 2 elements is that all group 1 elements have unpaired electrons in their outermost orbital, whereas group 2 elements have paired electrons in their … WebMar 25, 2024 · Period 2 elements in the periodic table include the eight chemical elements from atomic number 3 to 10: lithium (Li), beryllium (Be), boron (B), carbon (C), … marlo dood factory
Period 1 element - Wikipedia
WebThe elements in group 1 are called the alkali metals. Group 1 is on the left-hand side of the periodic table The alkali metals share similar physical properties. For example, they: are... Web119 rows · List of elements of the periodic table by group and period including the … Webalkali metal, any of the six chemical elements that make up Group 1 (Ia) of the periodic table —namely, lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and … mar lodge braemar scotland