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

Types of risky behaviour

what is the greatest common factor of 42a^5b^3, 35a^3b^4, and 42ab^4? 7ab^3 6a^4b 42a^5b^4 77a^8b^7

what is the coefficient constant and factor of 5x^2 3x 12

These items are involved in sexual reproduction. Which one of these may also be involved in asexual reproduction? A. eggs B. spores C. sperm D. seeds

next two sets of numbers after 3-6, 7-14

explain what chain rule is . workout appropriate examples to support your explanation.

Please help me with questions 17-20 If you can't do all of it plz just do one of it and tell me which answer goes with each question

what year did Christopher Columbus come to America

The ratio of boys to girls on a school trip was 5:7 there were 56 girls how many boys were on the school trip

what letter or symbol that represents some unknown value