Atomic Structure
... Different atoms have different ____________ and ____________ The differing properties of matter are due to the size, shape, and movement of ____________ Changes in matter result from changes in the ____________ of atoms and not the atoms ...
... Different atoms have different ____________ and ____________ The differing properties of matter are due to the size, shape, and movement of ____________ Changes in matter result from changes in the ____________ of atoms and not the atoms ...
Atomic Structure and Periodic Table Quick Notes
... Ions- these are atoms that have LOST or GAINED an ELECTRON during a chemical reaction If an atom loses an electron, it becomes a Positive Ion If an atom gains an electron, it becomes a Negative Ion Ex: when Na reacts with Cl to form NaCl, the Na atom loses an electron, making it a Positive Ion: ...
... Ions- these are atoms that have LOST or GAINED an ELECTRON during a chemical reaction If an atom loses an electron, it becomes a Positive Ion If an atom gains an electron, it becomes a Negative Ion Ex: when Na reacts with Cl to form NaCl, the Na atom loses an electron, making it a Positive Ion: ...
Atoms and Elements
... putting electrons into orbitals that have the same energy as each other. Put one electron into each orbital before pairing them up. Whichever way the first arrow (electron) points, the others must point the same way until they pair up, then they point in opposite directions. ...
... putting electrons into orbitals that have the same energy as each other. Put one electron into each orbital before pairing them up. Whichever way the first arrow (electron) points, the others must point the same way until they pair up, then they point in opposite directions. ...
14_1_atoms and isotopes FPS3
... You have learned that atoms contain three smaller particles called protons, neutrons, and electrons, and that the number of protons determines the type of atom. How can you figure out how many neutrons an atom contains, and whether it is neutral or has a charge? Once you know how many protons and ne ...
... You have learned that atoms contain three smaller particles called protons, neutrons, and electrons, and that the number of protons determines the type of atom. How can you figure out how many neutrons an atom contains, and whether it is neutral or has a charge? Once you know how many protons and ne ...
key - Greenslime.info
... The elements in group 17, including fluorine, bromine, chlorine and iodine, are called the halogens. Describe the reactivity of the halogens, and why they have this reactivity. The halogens are very reactive, because they each have seven valence electrons, and only need to gain one valence electron ...
... The elements in group 17, including fluorine, bromine, chlorine and iodine, are called the halogens. Describe the reactivity of the halogens, and why they have this reactivity. The halogens are very reactive, because they each have seven valence electrons, and only need to gain one valence electron ...
Goal 1 Study Guide
... c. aluminum d. fluorine e. calcium f. nitrogen 14. An electron configuration can be effective for describing the number of energy levels and the number of valence electrons for all of the elements. In the quantum mechanical model, what is the maximum number of electrons allowed in each of the first ...
... c. aluminum d. fluorine e. calcium f. nitrogen 14. An electron configuration can be effective for describing the number of energy levels and the number of valence electrons for all of the elements. In the quantum mechanical model, what is the maximum number of electrons allowed in each of the first ...
12.1 Atoms and Isotopes
... You have learned that atoms contain three smaller particles called protons, neutrons, and electrons, and that the number of protons determines the type of atom. How can you figure out how many neutrons an atom contains, and whether it is neutral or has a charge? Once you know how many protons and ne ...
... You have learned that atoms contain three smaller particles called protons, neutrons, and electrons, and that the number of protons determines the type of atom. How can you figure out how many neutrons an atom contains, and whether it is neutral or has a charge? Once you know how many protons and ne ...
Chemistry Exam Review
... Isotope • an atom with a different number of neutrons and therefore a different mass ...
... Isotope • an atom with a different number of neutrons and therefore a different mass ...
Jeopardy Review Guide
... copper coin the size of a penny with the number of people on Earth is made to illustrate which of the following? a. b. c. d. ...
... copper coin the size of a penny with the number of people on Earth is made to illustrate which of the following? a. b. c. d. ...
Chemistry Semester One Exam Review Name:
... 11. Write the electron configurations for the following elements. LithiumNitrogenZincBromineBarium12. What is the characteristic set of valence electrons for the following groups on the periodic table? Alkali metals (1); alkaline earth metals (2); halogens (17); noble gases (18) ...
... 11. Write the electron configurations for the following elements. LithiumNitrogenZincBromineBarium12. What is the characteristic set of valence electrons for the following groups on the periodic table? Alkali metals (1); alkaline earth metals (2); halogens (17); noble gases (18) ...
Lesson Outline - WordPress.com
... * B3.2 explain the relationship between isotopic abundance of an element’s isotopes and the relative atomic mass of the element ...
... * B3.2 explain the relationship between isotopic abundance of an element’s isotopes and the relative atomic mass of the element ...
Chapter 5
... Charges are of two types: Positive and Negative Unlike charges attract and like charges repel Charges may be transferred by contact or induction The closer two object are, the greater the force of attraction ...
... Charges are of two types: Positive and Negative Unlike charges attract and like charges repel Charges may be transferred by contact or induction The closer two object are, the greater the force of attraction ...
Unit 2 Review - RHSChemistry
... burner, causing them to jump up to the excited state. In order to return back to “ground state” the electrons must give off the extra energy – in the form of light. ...
... burner, causing them to jump up to the excited state. In order to return back to “ground state” the electrons must give off the extra energy – in the form of light. ...
Structure-Prop of Matter session
... Carbon-14 and Carbon-13 atoms’ are not as stable as carbon-12 and easily break down. If an isotope has too many or too few neutrons compared to the number of protons, it is unstable and will undergo radioactive decay. These radioactive isotopes become different elements in an effort to become more s ...
... Carbon-14 and Carbon-13 atoms’ are not as stable as carbon-12 and easily break down. If an isotope has too many or too few neutrons compared to the number of protons, it is unstable and will undergo radioactive decay. These radioactive isotopes become different elements in an effort to become more s ...
Radioactive Isotopes and Nuclear Equations
... e , is emitted when a proton inside an atom decays to ...
... e , is emitted when a proton inside an atom decays to ...
Unit IV Review Guide: Atomic Structure and Nuclear Reactions
... 8. Gallium, which has an atomic mass of 69.723 amu has two naturally occurring isotopes, Ga-69 and Ga - 71. Which isotope occurs in greater abundance? Explain. ...
... 8. Gallium, which has an atomic mass of 69.723 amu has two naturally occurring isotopes, Ga-69 and Ga - 71. Which isotope occurs in greater abundance? Explain. ...
Regents Review Packet B2 Answer Key
... Base your answers to questions 4 through 6 on the information below and on your knowledge of chemistry. Three elements, represented by D, E, and Q, are located in Period 3. Some properties of these elements are listed in the table below. A student's experimental result indicates that the density of ...
... Base your answers to questions 4 through 6 on the information below and on your knowledge of chemistry. Three elements, represented by D, E, and Q, are located in Period 3. Some properties of these elements are listed in the table below. A student's experimental result indicates that the density of ...
Earth Chemistry
... • Electrons orbit the nucleus like planets orbiting the sun. • The orbits called electron shells or orbitals • close to the nucleus hold fewer electrons than those far away. ...
... • Electrons orbit the nucleus like planets orbiting the sun. • The orbits called electron shells or orbitals • close to the nucleus hold fewer electrons than those far away. ...
Section 2A
... Origins of the Periodic Table In 1869, approximately 62 elements were known to exist. Scientists wanted a convenient way to look at these elements. Dmitri Mendeleev proposed a periodic table of elements. It was arranged by increasing mass number and similar properties. Later, Henry Mosley working wi ...
... Origins of the Periodic Table In 1869, approximately 62 elements were known to exist. Scientists wanted a convenient way to look at these elements. Dmitri Mendeleev proposed a periodic table of elements. It was arranged by increasing mass number and similar properties. Later, Henry Mosley working wi ...
Protons neutrons electrons Charge Positive neutral negative Mass
... • Atoms of different elements are different from each other • Atoms of different elements can combine to form compounds • Billiard ball model ...
... • Atoms of different elements are different from each other • Atoms of different elements can combine to form compounds • Billiard ball model ...