nancie1016 nancie1016

03-12-2021
Chemistry

contestada

The element that has a valence configuration of 5s2 is
Ba
Ca
Be
Sr
Mg

Respuesta :

nguyenhu nguyenhu

14-12-2021

Answer: Sr

Explanation: Strontium electron configuration is [Kr] 5s2. It belongs to group 2 and period 5 of the periodic table.

Answer Link

Otras preguntas

What is the value of -9r-7 when r=2? -25 -18 11 45

Write the equation of an ellipse with vertices (0, 5) and (0, -5) and co-vertices (2, 0) and (-2, 0).

Consider the following pair of equations: x+y= -2 y= 2x+10 If the two equations are graphed, at which point do the lines representing the two equations interse

Help me with both of these please !

What is the basic unit for measuring time

Do you prefer to qpply formats before text is typed while typing or after typing?

1/2>-1/6-2/9x someone pls explain how to do fractions

Which of the following describes the role of cyclic amp (cAMP) in hormone responses

What are global interactions?

State the domain of the following relation by clicking on the symbols to make the given answer correct. Domain {r: r E R, r <=0} {r: r E R, r=0