Chemistry, 18.10.2019 20:00 brasilyejipark2537
In the ground state, each atom of an element has two valence electrons. this element has a lower first ionization energy than calcium.
where is this element located on the periodic table?
(1) group 1, period 4 (3) group 2, period 3
(2) group 2, period 5 (4) group 3, period 4
Answers: 1
Chemistry, 22.06.2019 05:30
Which other elements contain the same number of outer electrons as sodium
Answers: 3
Chemistry, 22.06.2019 11:00
What is the molar mass of a gas that has density of 2.054 g/l
Answers: 2
Chemistry, 22.06.2019 17:30
Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)
Answers: 2
Chemistry, 22.06.2019 22:30
What must be in balance for temperatures to remain constant?
Answers: 1
In the ground state, each atom of an element has two valence electrons. this element has a lower fir...
History, 07.12.2021 07:20
English, 07.12.2021 07:20
English, 07.12.2021 07:20
Computers and Technology, 07.12.2021 07:30
Mathematics, 07.12.2021 07:30
Mathematics, 07.12.2021 07:30
History, 07.12.2021 07:30
Chemistry, 07.12.2021 07:30
Mathematics, 07.12.2021 07:30
English, 07.12.2021 07:30
History, 07.12.2021 07:30
Mathematics, 07.12.2021 07:30
Mathematics, 07.12.2021 07:30
Mathematics, 07.12.2021 07:30