Chemistry, 18.11.2020 17:10 lucarignot
An element with the electron configuration: [noble gas] ns2 (n - 1)d10 np3 has how many valence electrons.
a. 2
b. 15
c. 3
d. 10
e. 5
Answers: 2
Chemistry, 22.06.2019 08:30, melikefood01
Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?
Answers: 1
Chemistry, 22.06.2019 12:00, KKHeffner02
Which statement best explains the relationship between an area is geography and the temperature of its surface water
Answers: 1
An element with the electron configuration: [noble gas] ns2 (n - 1)d10 np3 has how many valence elec...
Mathematics, 17.10.2020 19:01