What am I? 2. I have 7 valence electrons and have 2 more protons than "phosphorus. What am I? 3. I am in Period 5 and have properties similar to my favorite cousin, gold. What am I? 4. I am the only element with no neutrons in my nucleus. What am I? 5. I am the only element in Period 3 that has 8 electrons in my outermost energy level. What am I? 6. I am the most massive element on the Periodic Table to have electrons in only one energy level. What am I? 7 I have the smallest atomic number of all the elements that have electrons in three different energy levels? What am I? β
Answers: 2
Chemistry, 22.06.2019 03:00
Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes
Answers: 2
Chemistry, 22.06.2019 13:50
Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.
Answers: 3
Chemistry, 22.06.2019 14:00
In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2
Answers: 1
What am I? 2. I have 7 valence electrons and have 2 more protons than "phosphorus. What am I? 3. I a...
Computers and Technology, 21.05.2020 19:57
Computers and Technology, 21.05.2020 19:57
Mathematics, 21.05.2020 19:57
Mathematics, 21.05.2020 19:57
History, 21.05.2020 19:57
History, 21.05.2020 19:57
Biology, 21.05.2020 19:57
Mathematics, 21.05.2020 19:57