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Name_____________& Partner Name____________ Class_________________ AtomsAnswer the following questions by reading through the information provided on www.chem4kids.com under the Atoms section. Read each section carefully… 1. Which of these choices is not a part of an atom? A. Electrons B. Protons C. Neutrons D. All are parts of an atom 2. An isotope is a form of an atom with a different number of …. A. Electrons B. Protons C. Neutrons D. All of the Above 3. The atomic number of an element tells you the number of __________. A. Electrons B. Protons C. Neutrons D. Protons & Electrons 4. An ion is a form of an atom with a different number of … A. Electrons B. Protons C. Neutrons D. All of the Above 5. Which of these particles is found in the atomic nucleus? A. Antimatter B. Electrons C. Protons and Neutrons D. Electrons and Protons 6. Which scientist is NOT associated with the study of atomic structure? A. Niels Bohr B. Ernest Rutherford C. Friedrich Hund D. All of these scientists worked with atomic structure. 7. What subatomic particle is the only particle that does not change or never varies in an atom. In other words, which subatomic particle identifies an atom/element? A. Electron B. Neutron C. Proton 8. Which subatomic particles determine the mass or weight of an atom? A. Protons & Electrons B. Protons & Neutrons C. Electrons & Protons 9. A physical change is when a compound changes to a different phase. A. True B. False 10. Elements combine with other elements to form compounds. They do this by sharing or giving up…. A. Protons B. Neutrons C. Electrons D. Quark 11. An atom that has an extra electron is said to be A. Positively B. Negatively C. Neutrally D. Ionically A proton has charge. An Electron has A Neutron has a charge. charged. charge. 12. From smallest to largest, which of the following is out of order: Proton, Atom, cell, molecule, Tissues, organs A. Cell B. Proton C. Molecule D. Atom If an Electron was included in this list, where would it go? 13. Electrons orbit or move around the nucleus of an atom called electron or . Write in the maximum number of electrons in each shell: 1st: 2nd: 3rd: 4th: 14. The amount of energy required to remove an electron from the 3 rd shell compared to the 1st shell is ? A. Greater B. Less C. The Same D. noone knows 15. NaCl would be an example of what type of chemical bond… A. Ionic B. Covalent C. Sharing D. Salt 16. The reading describes a concept called the “Happy Atom”, meaning that an atom wants…. A. To combine with Hydrogen B. Its atomic shells to be filled with electrons C. To have a neutral charge D. To sit on the couch and watch football. 17. Carbon-14 and Carbon-12, two isotopes of Carbon, differ in the number of isotopes and …… E. Atomic Number F. Atomic Mass G. Number of electrons 18. Heptabromide is an element that has how many atoms? Please, answer on another sheet of paper. 19. Which atomic particle is mostly responsible for any electric device that you use on a daily basis? What is happening when you have electricity? 20. What are the two major types of bonds that form between atoms of elements to form compounds. Describe and diagram them below. 21. Draw and label the atomic structure of the atom Nickel, symbol Ni. Label correctly with protons, neutrons, electrons, and correct electron shells.