Which elements have more protons per atom than phosphorus? A bromine and sulfur B helium and nitrogen nitrogen and sodium D) sodium and bromine

Rosa's unknown made-up compound contains element D and element Z. It has a molar mass of 1070 g/mol Analysis of a sample shows that it contains 8.41% element D and 91.59% element Z What is its molecular formula of the made-up compound? Please refer to the Mini Periodic Table of Fake Elements to answer your questions Mini Periodic Table of Fake Elements O DZ2 O D20 Z11 D3Z7 O D6Z₁4 DJ 15.00 Avogadro's Number: 6.022 x 1023 19.00 Q Z 35.00 70.00

Identify recognise and name of subatomic particles of an atom

IV. Supply the missing data in the table below. Use your periodic table of elements. Atomic Number Atomic Number of Number of Number of Mass Symbol Protons Electrons Neutrons Number 3274GE 32 32 74 37 37 36 49 8160 8 8 16 53 53 54 74 82 82 82 208

Please use the options below to choose one correct answer to the question in the attached image. two more protons than carbon 12 two more electrons than carbon 12 two more neutrons than carbon 12 two more protons and neutrons

QUESTION 3 As a result of Aston's work, we know that two nuclei are isotopes when they have the same atomic weight but different atomic numbers the same atomic number but different atomic weight the same atomic number and the same atomic weight different atomic weights and different atomic numbers

Based on the information below, what is the elemental symbol of this ion if it has 26 electrons?

Please check and see if I got the information in the table below correct. If there are mistakes please correct them.  Protons Neutrons Electrons Element Symbol Element Name Net Charge Mass Number Valence Electrons 1 0 1 H Hydrogen 0 1 1 6 6 6 C Carbon 0 12 4 8 8 8 O Oxygen 0 16 6 3 4 2 Li Lithium +1 7 0 5 6 4 B Boron +1 11 3 4 4 2 Be Beryllium +2 8 2 9 10 10 F Fluorine -1 19 8 2 2 2 He Helium 0 4 2 5 4 7 B Boron -2 9 5 6 6 6 C Carbon 0 12 4

Why are atoms electrically neutral? O they have more electrons than protons O they have less electrons than protons they have the same number of electrons as neutrons they have the same number of electrons as protons O they have the same number of neutrons as protons