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

Which phrases correctly describe both accounts? Check all that apply. They are reliable sources. They are unreliable sources. They discuss the start of the Kore

What is:4×4+4×4+4-4×4?

The rate of increase (R) of the radius (r) in meters per second is inversely proportional to the radius. If the radius is increasing at 1400 meters per second

Find+the+positive+value+for+α+if+the+radius+of+the+circle+3x^2+3y-6αx+12y-3α=0+is+4

Please help me!A scientist is observing the grizzly bear population in two state parks. The parks each have 150 bears when he begins observing them. The populat

which one does pass through line of wire during electric current flow? electrons or protons?

PLEASE HURRY!!! In the “iron curtain” speech, churchill mentions the “danger which threatens cottage home and ordinary people” in paragraph one to- Paragraph

Why did many states propose amendments or changes when ratifying the constitution?

what would be next number be in the sequence 2, 18, 66, 210 if tye rules is add 4 then multiply by 3

WILL MARK BRAINLIST Find the coordinates of the points of intersection of the graphs with coordinate axes: y=1.5x−6