Morganlawson1355 Morganlawson1355

04-10-2020
Chemistry

contestada

electron configuration for be+2

Respuesta :

kuttysimba kuttysimba

13-10-2020

Answer:

atomic number of Be =4

electronic configuration :1s²2s²

but for Be2+ atomic number = 4-2 =2

electronic configuration : 1s²

Answer Link

Otras preguntas

Which words make up the adverb phrase in the sentence? Which words does the adverb phrase modify? Many early cities were built around forts. A. Many early; modi

Looking at a cell under a microscope, you note that its a prokaryote. How do you know? a. the cell lacks cytoplasm b. the cell lacks a cell membrane c. the cell

Help please! My maths unfortunately... Does anyone know how I would answer this? I just simply do not know what 'describe each reflection' means. Erm? The shape

What is 3.2 x 10^-4 m/h in centimeters per second? a) 8.889 × 10^−6 cm/s b) 8.889 × 10^−5 cm/s c) 1.152 × 10^−5 cm/s d) 1.152 × 10^−7 cm/s

How are mitosis and meiosis different from each other? A. Mitosis produces four different cells and meiosis produces identical cells. B. Mitosis produces four d

How are mitosis and meiosis different from each other? A. Mitosis produces four different cells and meiosis produces identical cells. B. Mitosis produces four d

the Crimean war was the result of a struggle between ... and the ... ?

the Crimean war was the result of a struggle between ... and the ... ?

what is the square root of 112

find the slope of the line that goes through the points (-15,70) and (5,10) and (2,7) and (6,3).