Helium (He) and neon (Ne) are elements in Group 8A of the periodic table. How do the electron dot diagrams of these elements compare?
The electron dot diagram of helium has six fewer dots than the electron dot diagram of neon.
The electron dot diagram of helium has eight fewer dots than the electron dot diagram of neon.
Both the electron dot diagram of helium and the electron dot diagram of neon have two dots.
Both the electron dot diagram of helium and the electron dot diagram of neon have eight dots.
Answers: 2
Chemistry, 22.06.2019 08:30
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 10:40
Asolid that forms and separates from a liquid mixture is called
Answers: 2
Chemistry, 22.06.2019 20:00
I’m an electrically neutral atomic any element, there are equal numbers of
Answers: 2
Helium (He) and neon (Ne) are elements in Group 8A of the periodic table. How do the electron dot di...
Mathematics, 16.06.2021 17:00
English, 16.06.2021 17:00
Social Studies, 16.06.2021 17:00
Mathematics, 16.06.2021 17:00
History, 16.06.2021 17:00
English, 16.06.2021 17:00
Mathematics, 16.06.2021 17:00
Health, 16.06.2021 17:00
Engineering, 16.06.2021 17:00
Mathematics, 16.06.2021 17:00
Mathematics, 16.06.2021 17:00
History, 16.06.2021 17:00