subject
Chemistry, 19.05.2021 22:10 kidzay

5. Which of the following electron configurations could represent the electrons of an alkaline earth metal?
a. 1s22s22p63s23p64s23dº
b. 1s22s22p63s23p
C. 1s 2s22p?
d. 1s²2s22p63s?

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 06:00
Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.
Answers: 2
question
Chemistry, 22.06.2019 12:30
The element that has the greatest electronegativity is
Answers: 1
question
Chemistry, 22.06.2019 14:30
Consider the reduction reactions and their equilibrium constants. cu+(aq)+e−↽−−⇀cu(s)pb2+(aq)+2e−↽−−⇀pb(s)fe3+(aq)+3e−↽−−⇀fe(=6.2×108=4.0×10−5=9.3×10−3 cu + ( aq ) + e − ↽ − − ⇀ cu ( s ) k =6.2× 10 8 pb 2 + ( aq ) +2 e − ↽ − − ⇀ pb ( s ) k =4.0× 10 − 5 fe 3 + ( aq ) +3 e − ↽ − − ⇀ fe ( s ) k =9.3× 10 − 3 arrange these ions from strongest to weakest oxidizing agent.
Answers: 3
question
Chemistry, 22.06.2019 20:00
In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation:
Answers: 3
You know the right answer?
5. Which of the following electron configurations could represent the electrons of an alkaline eart...
Questions
question
Mathematics, 13.09.2020 23:01
question
History, 13.09.2020 23:01
question
Mathematics, 13.09.2020 23:01
question
Mathematics, 13.09.2020 23:01
question
Health, 13.09.2020 23:01
question
Mathematics, 13.09.2020 23:01
question
Mathematics, 13.09.2020 23:01
question
Mathematics, 13.09.2020 23:01
question
Mathematics, 14.09.2020 01:01
question
Mathematics, 14.09.2020 01:01
question
Mathematics, 14.09.2020 01:01
question
Mathematics, 14.09.2020 01:01
question
English, 14.09.2020 01:01
question
Physics, 14.09.2020 01:01
question
Mathematics, 14.09.2020 01:01
question
Mathematics, 14.09.2020 01:01
question
Mathematics, 14.09.2020 01:01
question
Mathematics, 14.09.2020 01:01
question
Mathematics, 14.09.2020 01:01
question
Mathematics, 14.09.2020 01:01
Questions on the website: 13722367