1: copper has an atomic number of 29 that means there are 29 protons in the nucleus of each upper atom. that's what the atomic nuber is; the number of protons in an atom of a ceartain element if one copper atom contains 29 protons, how many electrons are there in 4 atoms of copper? 2: copper has an atomic number of 29 that means there are 29 protons in the nucleus of each upper atom. that's what the atomic nuber is; the number of protons in an atom of a ceartain element if one copper atom contains 29 protons, how many copper atoms could you make out of 87 protons?

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?

Which statement accurately represents the arrangement of electrons in bohr’s atomic model?