Chemistry, 24.02.2021 20:50 fantasticjrod
What is the ground state electron configuration of an elements with atomic number 21?
Answers: 1
Chemistry, 21.06.2019 22:30
Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.
Answers: 2
Chemistry, 22.06.2019 00:30
Elements that do not have full outer electron shells will donate, share, or take electrons from other atoms. choose the items that have the correct binary ionic formula.
Answers: 2
Chemistry, 22.06.2019 01:30
There are main groups in the modern periodic table of elements
Answers: 1
What is the ground state electron configuration of an elements with atomic number 21?...
Mathematics, 21.01.2020 01:31