True or False 9. The number of protons will tell you what element it is. 10. The Atomic Mass - (minus) The Atomic Number tells you the number of protons in an element. 11. If an element is an ion, it has more or less neutrons than usual. 12. Elements in the same vertical column are called Periods. 13. The 3 groups of the periodic table are metals, non-metals, and gases. Help please:))) sorry im not really good with physical science:(
Answers: 1
Physics, 21.06.2019 21:30, galaxyworld36
Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?
Answers: 2
True or False 9. The number of protons will tell you what element it is. 10. The Atomic Mass - (minu...
Mathematics, 15.07.2019 14:00
Mathematics, 15.07.2019 14:00
Mathematics, 15.07.2019 14:00
Mathematics, 15.07.2019 14:00