WebThe elements in group 1 are known as the alkali metals; those in group 2 are the alkaline earth metals; those in 15 are the pnictogens; those in 16 are the chalcogens; those in 17 are the halogens; and those in 18 are the noble gases. * … Web3 nov. 2024 · Click here 👆 to get an answer to your question ️ Which member of the alkaline earth metals family has: (i) least reactivity (ii) lowest density (iii) highest …
Which element is a member of the alkali metal family and has 12 ...
WebThe alkali metals have ns1 valence electron configurations and the lowest electronegativity of any group; hence they are often referred to as being electropositive elements. As a result, they have a strong tendency to lose their single valence electron to form compounds in the +1 oxidation state, producing the EX monohalides and the E 2 O oxides. WebVIDEO ANSWER: here we are, looking at a mystery. All alkali metal. Okay, so that is basically Group One. It's a group point medal, and we're just just recall the way these … gun law scorecard giffords
I need help on identifying four elements. 1. a member of the same ...
Web9 apr. 2024 · Answer: The element is beryllium (Be) which forms a divalent ion and has a noble gas core [He] 2s 2. Be 2+ = 1 s 2. BeO + 2NaOH → Na 2 BeO 2 + H 2 O. … Web1 mei 2024 · Group 1A (or IA) of the periodic table are the alkali metals: hydrogen (H), lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium … Web12 okt. 2024 · The alkaline earth metals are the second most reactive family of elements. Beryllium, magnesium, calcium, strontium, barium and radium are all shiny, and … gun laws by state 2022 book