1st Term Review
... 14. Based on the gold foil experiment, what did Rutherford conclude about the atom? 15. An atom of chromium-60 contains how many protons, neutron and electrons? 16. What is the difference between a compound and an element? 17. What is the electron configuration of a neutral calcium atom? 18. Atomic ...
... 14. Based on the gold foil experiment, what did Rutherford conclude about the atom? 15. An atom of chromium-60 contains how many protons, neutron and electrons? 16. What is the difference between a compound and an element? 17. What is the electron configuration of a neutral calcium atom? 18. Atomic ...
Unit 2 Atomic Structure Study Guide
... 15.The two ways of writing an isotope. Know what each number/symbol represents a. Ex Carbon-14 16.b. What is an anion? Which particles does it have more of: electrons or protons? 17.What is a cation? Which particles does it have more of: electrons or protons? Average Atomic Mass 1. How do you calcul ...
... 15.The two ways of writing an isotope. Know what each number/symbol represents a. Ex Carbon-14 16.b. What is an anion? Which particles does it have more of: electrons or protons? 17.What is a cation? Which particles does it have more of: electrons or protons? Average Atomic Mass 1. How do you calcul ...
Chemistry Semester One Exam Review Name:
... d) Double replacement e) Single replacement 17. Complete the word equation, write and balance the equation using symbols and indicate the type of the reaction on the left. a. Propane (C3H8) burns in air b. Magnesium chloride + silver nitrate c. Zn reacts with hydrochloric acid d. Nitrogen gas ...
... d) Double replacement e) Single replacement 17. Complete the word equation, write and balance the equation using symbols and indicate the type of the reaction on the left. a. Propane (C3H8) burns in air b. Magnesium chloride + silver nitrate c. Zn reacts with hydrochloric acid d. Nitrogen gas ...
Midterm Practice Test Answers
... Describe the evolution of the atomic model from the billiard ball model to the electron cloud model.(You can draw pics.) Circle, circle with nucleus inside, nucleus with rings around, nucleus with clouds around ...
... Describe the evolution of the atomic model from the billiard ball model to the electron cloud model.(You can draw pics.) Circle, circle with nucleus inside, nucleus with rings around, nucleus with clouds around ...
Atomic Structure
... Reasoned that electrons could not be random Reasoned that they were in set orbits, set distances away from nucleus. Planetary orbital model ...
... Reasoned that electrons could not be random Reasoned that they were in set orbits, set distances away from nucleus. Planetary orbital model ...
Atoms Vs. Molecules
... Isotopes (atoms with different numbers of protons and neutrons) can become unstable and are called radioactive. They can be used to identify certain chemical reactions, or for nuclear development. ...
... Isotopes (atoms with different numbers of protons and neutrons) can become unstable and are called radioactive. They can be used to identify certain chemical reactions, or for nuclear development. ...
Chapter 11 and 12-2 Review/Study Guide for Test
... Name _________________________________________________ Block: ____ ...
... Name _________________________________________________ Block: ____ ...
answers
... d.) Bohr – solar system model of atoms, energy levels at increasing distance from nucleus ...
... d.) Bohr – solar system model of atoms, energy levels at increasing distance from nucleus ...
File
... • Heterogeneous Mixture-a mixture in which the presence of a t least two different substances is visible to the eye. • Homogenous Mixture-a mixture with a composition that is uniform throughout, all the way down to the molecular level. • Hydrocarbon-any molecule consisting of only hydrogen and carbo ...
... • Heterogeneous Mixture-a mixture in which the presence of a t least two different substances is visible to the eye. • Homogenous Mixture-a mixture with a composition that is uniform throughout, all the way down to the molecular level. • Hydrocarbon-any molecule consisting of only hydrogen and carbo ...
TEST REVIEW S Valence Electrons TEST REVIEW SHEET 2017
... NOTE: If an element has <4 valence electrons it will give them away during an ionic bond and become a positive ion. If >4, it will take them and become a negative ion For the most part…. metals will give away their valence electrons and nonmetals will take enough valence electrons to fill their oute ...
... NOTE: If an element has <4 valence electrons it will give them away during an ionic bond and become a positive ion. If >4, it will take them and become a negative ion For the most part…. metals will give away their valence electrons and nonmetals will take enough valence electrons to fill their oute ...
3-ELEMENTS AND THE ATOMIC MODEL. C4.8A Identify the
... Identify properties of common periods on the periodic table. Explain the history and organization of the periodic table. C4.8e Write the complete electron configuration of elements in the first three rows of the periodic table. C4.8g Predict oxidation states and bonding capacity for main group eleme ...
... Identify properties of common periods on the periodic table. Explain the history and organization of the periodic table. C4.8e Write the complete electron configuration of elements in the first three rows of the periodic table. C4.8g Predict oxidation states and bonding capacity for main group eleme ...
Chapter 1 D Study Guide
... 3. Electrons move around the nucleus in electron rings or shells or energy levels. 4. Atomic number is equal to the number of protons, and is unique to each element 5. The number of protons is equal to the number of electrons in a balanced atom, but not in an ION 6. The atomic mass (rounded off) is ...
... 3. Electrons move around the nucleus in electron rings or shells or energy levels. 4. Atomic number is equal to the number of protons, and is unique to each element 5. The number of protons is equal to the number of electrons in a balanced atom, but not in an ION 6. The atomic mass (rounded off) is ...
2nd Semester Review
... 6. What causes a substance to change from one state to another?_______________________________ 7. Write physical or chemical change for each of the following: Water evaporating burning toast Fireworks exploding ice melting ...
... 6. What causes a substance to change from one state to another?_______________________________ 7. Write physical or chemical change for each of the following: Water evaporating burning toast Fireworks exploding ice melting ...
Homework – Atoms Instructions
... that is used by an atom. E.g. An atom of calcium has 20 electrons in total. 2 of these are found on the first shell, 8 of these are found on the second shell, 8 of these are found on the third shell, and the remaining 2 are found on the fourth shell. The electron configuration for calcium is: 2.8.8. ...
... that is used by an atom. E.g. An atom of calcium has 20 electrons in total. 2 of these are found on the first shell, 8 of these are found on the second shell, 8 of these are found on the third shell, and the remaining 2 are found on the fourth shell. The electron configuration for calcium is: 2.8.8. ...
Nature of Matter
... elements in definite proportions. -The composition of compounds is shown as a chemical formula, Ex : Water is made of 2 hydrogen atoms & 1 oxygen atom. Its chemical formula is H2O. ...
... elements in definite proportions. -The composition of compounds is shown as a chemical formula, Ex : Water is made of 2 hydrogen atoms & 1 oxygen atom. Its chemical formula is H2O. ...
THE PERIODIC TABLE abbr
... Helium (2 valence electrons) is in the same column as neon (8 valence electrons) because both have full outer energy levels. This gives them similar properties. ...
... Helium (2 valence electrons) is in the same column as neon (8 valence electrons) because both have full outer energy levels. This gives them similar properties. ...
Intro to Atoms - Freehold Borough Schools
... Ductile: can be pulled out into a long wire Conductivity: ability to transfer heat from one object to another ...
... Ductile: can be pulled out into a long wire Conductivity: ability to transfer heat from one object to another ...
Isotopes and Shell Diagrams
... The Bohr model was different from the plum pudding model because it displayed the electrons going around the nucleus in an orbit and not in just a big blob. ...
... The Bohr model was different from the plum pudding model because it displayed the electrons going around the nucleus in an orbit and not in just a big blob. ...
Unit 1: Atomic Structure AP Chemistry
... experiment 1.60 x 10-19 From this and Thomson’s value, the mass was calculated to be 9.11 x 10-28g ...
... experiment 1.60 x 10-19 From this and Thomson’s value, the mass was calculated to be 9.11 x 10-28g ...
1 - cloudfront.net
... All atoms of the same element have the same _____. Know Dalton’s Atomic Theory. How is the number of neutrons in the nucleus of an atom calculated? All atoms are neutral, with the number of protons equaling the ___. Isotopes of the same element have different _____. Using the periodic table, determi ...
... All atoms of the same element have the same _____. Know Dalton’s Atomic Theory. How is the number of neutrons in the nucleus of an atom calculated? All atoms are neutral, with the number of protons equaling the ___. Isotopes of the same element have different _____. Using the periodic table, determi ...
Practice Test #2 - smhs
... for Ag as 107.868 amu. Find the percent abundance of the lighter isotope of Ag. 107.868 = 106.9041 (X) + 108.9047 (1.000 - X) -1.0367 = -2.0006 X X = 0.51819 ...
... for Ag as 107.868 amu. Find the percent abundance of the lighter isotope of Ag. 107.868 = 106.9041 (X) + 108.9047 (1.000 - X) -1.0367 = -2.0006 X X = 0.51819 ...