Question

1) what is the density of lead?
2) Atomic mass of Cerium
3) density of livermornium
4) phase of niobium
5) atomic mass of Seaborgium

ps: more questions coming soon

Answer 1

Explanation:

1) what is the density of lead?

Answer :- 11.35 g/cc

[ 11.35 g/cc Lead 82 ]

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2) Atomic mass of Cerium?

Answer :- 140.116 u

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3) density of livermornium

Answer :- 12.9 g·cm3 (predicted)

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4) phase of niobium

Answer :- The physical and chemical properties of niobium are similar to tantalum. Apart from reacting with oxygen in air at high temperatures, niobium is reactive to carbon, nitrogen, sulfur and halogens

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5) atomic mass of Seaborgium

Answer :- 106

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