Question

Li,be,b,c,o,f,ne about this elements

Answer 1

Answer:

lithium

Symbol: Li

Atomic mass: 6.941 u

Atomic number: 3

Electron configuration: [He] 2s1

beryllium

symbol Bi

atomic mass 9.012 u

Atomic number (Z) 4

Electron configuration [He] 2s2

boron

Symbol: B

Atomic number: 5

Atomic mass: 10.811 u

Electron configuration: [He] 2s22p1

carbon

symbol C

Atomic number (Z) 6

atomic mass 12.00

Electron configuration [He] 2s2 2p2

oxygen

symbol O

atomic mass 15.998

atomic number 8

Electron configuration: [He] 2s²2p⁴

fluorine

Symbol: F

Atomic number: 9

Atomic mass: 18.998403 u

Electron configuration: [He] 2s22p5

neon

Symbol: Ne

Electron configuration: [He] 2s²2p⁶

Atomic mass: 20.1797 u

Atomic number: 10