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How did mendeleev place arsenic and selenium?
ball sack
Who found the element arsenic?
Arsenic was discovered in 1250 by Albertus Magnus. The place of discovery is unknown. x
What place is Dmitri Mendeleev in the birth order?
Mendeleev was born in the village of Verkhnie Aremzyani, near Tobolsk in Siberia.
Why did Mendeleev place zinc in the same group as calcium?
They both have 2 valence electrons and have similar reactivity.
Did mendeleev's original table could accommodate elements that did not even exist?
Yes. For example, Mendeleev's original table postulated an element "ekasilicon" occupying the place of the modern element germanium, which had not yet been isolated at the time.
How did mendeleev place arsenic and selenium?
ball sack
Where does Arsenic and Old Lace take place?
"Arsenic and ols lace" is cast in Brooklyn, NY.
Who found the element arsenic?
Arsenic was discovered in 1250 by Albertus Magnus. The place of discovery is unknown. x
What place was Dmitri Mendeleev in the birth order?
Mendeleev was born in the village of Verkhnie Aremzyani, near Tobolsk in Siberia.
What place is Dmitri Mendeleev in the birth order?
Mendeleev was born in the village of Verkhnie Aremzyani, near Tobolsk in Siberia.
Which element from Mendeleev's seventh column is now considered out of place?
In the past, manganese was erroneously located.
Which element is poisonous if ingested and this is why other metals are used in its place to perform its previous functions?
Arsenic
What is a sentence using the word baneful?
Arsenic is baneful because it doesnt have a place in the human body!
Why did Mendeleev place zinc in the same group as calcium?
They both have 2 valence electrons and have similar reactivity.
Did mendeleev's original table could accommodate elements that did not even exist?
Yes. For example, Mendeleev's original table postulated an element "ekasilicon" occupying the place of the modern element germanium, which had not yet been isolated at the time.
What are the limitations of Mendeleev?
At first, he couldn't find a specific place for hydrogen, and the inner transition elements were not placed correctly.
Why Mendeleev put more than one element in one place?
caz he predicted to be another elements ...may b..
