CHEMISTRY
... Matter that can not be broken down into simpler substances under normal lab conditions Contains only one kind of atom ...
... Matter that can not be broken down into simpler substances under normal lab conditions Contains only one kind of atom ...
Chapter 2 - Chemical Context of Life
... Ionic bonds occur when two atoms are so unequal in their attraction for e- that one atom will strip the e- from its partner. These ...
... Ionic bonds occur when two atoms are so unequal in their attraction for e- that one atom will strip the e- from its partner. These ...
What is a mixture?
... Identifying Elements • Elements are categorized by unique properties on the Periodic Table. • They are arranged in order by their number of protons. (More on this later!) • Each element has unique properties like melting point, boiling point, and whether it is metal, nonmetal or metalloid. ...
... Identifying Elements • Elements are categorized by unique properties on the Periodic Table. • They are arranged in order by their number of protons. (More on this later!) • Each element has unique properties like melting point, boiling point, and whether it is metal, nonmetal or metalloid. ...
Atoms, Ions and Molecules
... ii) Which element has a relaBve atomic mass of approximately 45? ______ iii) Which of these elements has atoms with the highest total number of electrons? ______ ...
... ii) Which element has a relaBve atomic mass of approximately 45? ______ iii) Which of these elements has atoms with the highest total number of electrons? ______ ...
Chapter 1: The Mole
... Elements and Compounds Measurements and observations are made in the macroscopic world. We interpret these measurements and observations using the microscopic world. Chemistry is involved in both worlds. ...
... Elements and Compounds Measurements and observations are made in the macroscopic world. We interpret these measurements and observations using the microscopic world. Chemistry is involved in both worlds. ...
Honors Chemistry
... The metal can keep its element name and simply take Roman numerals indicating its charge. Eg. FeCrO4 CrO4 is chromate. Fe can be ferrous (if its +2) or ferric (if its +3). CrO 4 has a charge of -2. No subscripts, so Fe must be +2 ferrous chromate or iron (II) chromate c. Covalent: Non-metal + Non- ...
... The metal can keep its element name and simply take Roman numerals indicating its charge. Eg. FeCrO4 CrO4 is chromate. Fe can be ferrous (if its +2) or ferric (if its +3). CrO 4 has a charge of -2. No subscripts, so Fe must be +2 ferrous chromate or iron (II) chromate c. Covalent: Non-metal + Non- ...
File - Mr. Gittermann
... with no charge and is located in the nucleus of the atom • Electrons: Subatomic particle with a negative charge found in a certain region of space around the nucleus called the electron cloud; kept close to the atom due to the attraction between the opposite charges of the electron and proton ...
... with no charge and is located in the nucleus of the atom • Electrons: Subatomic particle with a negative charge found in a certain region of space around the nucleus called the electron cloud; kept close to the atom due to the attraction between the opposite charges of the electron and proton ...
First 9 weeks Study Guide 8th Grade
... A substance that consists of two or more different elements is a compound. Living matter is made up mostly of oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus which form organic compounds. Elements ...
... A substance that consists of two or more different elements is a compound. Living matter is made up mostly of oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus which form organic compounds. Elements ...
Naming Binary Inorganic Compounds
... Compounds formed with polyatomic ions must have _________________________, just like those formed from monatomic ions This means that in many compounds there will be more than one unit of a given polyatomic ion This is reflected in the formulas of these compounds by the use of ______________. The su ...
... Compounds formed with polyatomic ions must have _________________________, just like those formed from monatomic ions This means that in many compounds there will be more than one unit of a given polyatomic ion This is reflected in the formulas of these compounds by the use of ______________. The su ...
Chemistry 30 Review of Basic Chemistry 20
... place the appropriate prefix in front the first and last name to describe the number of atoms there are of each element. ...
... place the appropriate prefix in front the first and last name to describe the number of atoms there are of each element. ...
Unit Description - Honors Chemistry
... Chapters 1 and 3 – Scientific Method and Matter Distinguish among hypothesis, theory and scientific law using examples. Identify the common steps of scientific methods. Distinguish between qualitative and quantitative data. Distinguish between independent and dependent variables, controls an ...
... Chapters 1 and 3 – Scientific Method and Matter Distinguish among hypothesis, theory and scientific law using examples. Identify the common steps of scientific methods. Distinguish between qualitative and quantitative data. Distinguish between independent and dependent variables, controls an ...
Are You suprised ?
... 2. On the periodic table above, draw in the following trends, showing how the particular trend increases, both across and up/down (ex – if atomic radius increases across, draw an arrow from left to right and label it increasing, atomic radius). Explain WHY the trends are the way they are. a. Atomic ...
... 2. On the periodic table above, draw in the following trends, showing how the particular trend increases, both across and up/down (ex – if atomic radius increases across, draw an arrow from left to right and label it increasing, atomic radius). Explain WHY the trends are the way they are. a. Atomic ...
Unit 2 Review for Test
... 2. Does the chemical composition of water (H2O) change when it boils? 3. List the following in order of complexity (simple to complex> ______ compound ______ element ______ atom 4. What information does this formula provide: C12H22O11? 5. Define: compound. 6. Over 96% of all living matter is made up ...
... 2. Does the chemical composition of water (H2O) change when it boils? 3. List the following in order of complexity (simple to complex> ______ compound ______ element ______ atom 4. What information does this formula provide: C12H22O11? 5. Define: compound. 6. Over 96% of all living matter is made up ...
Ch. 2 - Ltcconline.net
... 3. Define a compound and explain how compounds in living organisms are different from compounds in nonliving things. 4. Describe the structure of an atom. 5. Distinguish between atomic number and atomic weight or mass number of an atom. 6. Define an isotope and explain what makes some isotopes radio ...
... 3. Define a compound and explain how compounds in living organisms are different from compounds in nonliving things. 4. Describe the structure of an atom. 5. Distinguish between atomic number and atomic weight or mass number of an atom. 6. Define an isotope and explain what makes some isotopes radio ...
Test Review: Unit 1 - Ms. Hill`s Pre
... a. Law of conservation of Mass: Mass is neither created nor destroyed during normal chemical and physical changes (Dalton didn’t describe/clarify normal circumstances, matter can be created and destroyed in nuclear reactions) b. Law of Definite Proportions: the fact that a chemical compound contain ...
... a. Law of conservation of Mass: Mass is neither created nor destroyed during normal chemical and physical changes (Dalton didn’t describe/clarify normal circumstances, matter can be created and destroyed in nuclear reactions) b. Law of Definite Proportions: the fact that a chemical compound contain ...
File
... 50.PbO2 is Plumbic Oxide 51.N2O5 is dinitrogen pentoxide. 52.HNO2 is nitrous acid. 53.HC2H3O2 is acetic acid 54. An ion with one more electron than a proton is said to have a negative charge. 55. The elements of Group 7 are said to have a charge of +1. 56. A polyatomic compound has at least three or ...
... 50.PbO2 is Plumbic Oxide 51.N2O5 is dinitrogen pentoxide. 52.HNO2 is nitrous acid. 53.HC2H3O2 is acetic acid 54. An ion with one more electron than a proton is said to have a negative charge. 55. The elements of Group 7 are said to have a charge of +1. 56. A polyatomic compound has at least three or ...
Biochemistry I (CHE 418 / 5418)
... another by covalent bonds. • Draw electron dot and line-bond method for the compounds water (H2O), Hydrogen fluoride (HF), ammonia (NH3), Methane (CH4) ...
... another by covalent bonds. • Draw electron dot and line-bond method for the compounds water (H2O), Hydrogen fluoride (HF), ammonia (NH3), Methane (CH4) ...
Sample Exam 1 Key
... following could be the atom? a) phosphorus b) xenon c) aluminum d) boron 5. These two elements follow a “duet” rather than an octet rule. What are they? a) helium and neon b) hydrogen and helium c) sodium and chloride d) this is a trick question: all elements follow an octet rule. 6. Which of the fo ...
... following could be the atom? a) phosphorus b) xenon c) aluminum d) boron 5. These two elements follow a “duet” rather than an octet rule. What are they? a) helium and neon b) hydrogen and helium c) sodium and chloride d) this is a trick question: all elements follow an octet rule. 6. Which of the fo ...
Intro Biochemistry/Ecology
... The subatomic particles that make up atoms are protons, neutrons, and electrons. Because they have the same number of protons, all isotopes of an element have the same chemical properties. The main types of chemical bonds are covalent bonds and ionic bonds. Section 2-2: Properties of Water A water m ...
... The subatomic particles that make up atoms are protons, neutrons, and electrons. Because they have the same number of protons, all isotopes of an element have the same chemical properties. The main types of chemical bonds are covalent bonds and ionic bonds. Section 2-2: Properties of Water A water m ...
Chapter 4 The Structure of Matter
... the arrangement of bonded atoms or ions within a substance. • a. Two terms are used to specify the relative positions of atoms to each other in a compound. − (1) Bond length - gives the distance between the two nuclei of the atoms − (2) Bond angles tell how these atoms are oriented when you have thr ...
... the arrangement of bonded atoms or ions within a substance. • a. Two terms are used to specify the relative positions of atoms to each other in a compound. − (1) Bond length - gives the distance between the two nuclei of the atoms − (2) Bond angles tell how these atoms are oriented when you have thr ...
Chapter 3 Discovering the atom and subatomic particles (History of
... contains is called atomic number. Neutron (中子) is another subatomic particle in nucleus, having the similar mass as the proton but electrically neutral. It has very important role in holding the atomic nucleus together. The atom for a given element should have a set number of proton, but the number ...
... contains is called atomic number. Neutron (中子) is another subatomic particle in nucleus, having the similar mass as the proton but electrically neutral. It has very important role in holding the atomic nucleus together. The atom for a given element should have a set number of proton, but the number ...