An atom has the following chemical symbol. 14N How many protons does this atom have? How...
1- an atom has the following chemical symbol: 114Cd a- how many protons does this atom have? b- how many neutrons does this atom have? c- how many electrons does this atom have? 2- an ion has 33 protons, 41 neutrons, and 36 electrons a- what is the mass number of this atom? b- what is the symbol for this ion? enter both mass and the atomic number 3- which of these ions has the same number of electrons as...
Write the chemical symbol for a. An atom with 8 protons, 8 neutrons and 10 electrons. b. An atom with 16 protons, 16 neutrons and 16 electrons c. An atom with 11 protons, 11 neutrons and 10 electrons d. What are the only two orbitals that contain valence electrons? e. Which element has the noble gas configuration [Arl 4s2 3d7? f. Write the noble gas configuration for lead (Pb)
How many protons, neutrons, and electrons does a neutrally charged Hydrogen atom have? Use the periodic table entry for Hydrogen to answer the question. Enter each answer as an integer, for example, 3. number of protons: _______ number of neutrons: _______ number of electrons: _______
An atom has 38 protons and 48 neutrons. 16. How many electrons does it have? 17. Give the complete electron configuration for this element. 18. How many valence electrons does it have? 19. In which period of the periodic table is it found? 20. What is the charge on the ion it forms? 21. This ion will now have the same electron configuration as what neutral atom?
A neutral atom has the following electron configuration: [Ne] 3s23p What is the chemical symbol for the atom? How many electrons does the atom have? XS ? How many 3s electrons are in the atom?
A neutral atom has the following electron configuration: 152s 2p 3s What is the chemical symbol for the atom? How many electrons does the atom have? Х ? How many 3d electrons are in the atom?
A neutral atom has the following electron configuration: [Kr] 5s²4a 1º5p2 What is the chemical symbol for the atom? How many electrons does the atom have? How many 5p electrons are in the atom?
Which of the following is true about the atom represented by the symbol: 12753I? This atom has: 53 protons, 127 neutrons and 53 electrons. 127 protons, 53 neutrons and 53 electrons. 74 protons, 53 neutrons and 127 electrons. 53 protons, 74 neutrons and 53 electrons.
14. How many protons, electrons, and neutrons are in an atom of a) 91 protons, 40 electrons, 51 neutrons 91 protons, 91 electrons, 40 neutrons 40 protons, 40 electrons, 51 neutrons 40 protons, 51 electrons, 91 neutrons abcd 15. What is the molecular weight of N.O.? Choose the closest value. a) 15 u 30u C) d) 54u 108 u
Most naturally occurring Gallium is Gallium-69. How many protons, neutrons and electrons does an atom of Gallium-69 have? What is the isotope notation for Gallium-69? 10