Mendeleev Study guides, Class notes & Summaries

IPC practice test questions Periods - correct answer Each horizontal row of the periodic table. Groups / families - correct answer Each vertical column. Have similar chemical properties and similar electron configurations. Demitri Mendeleev - correct answer Made the first periodic table. He was writing a textbook and wanted to organize the 63 elements known at that time. He based his organization similar to the card game of solitaire. Increasing mass - correct answer Mendeleev organize...

What is the charge of a proton? -Answer +1 What is the charge of a neutron? -Answer 0 What is the charge of an electron? -Answer -1 What is the relative mass of a proton? -Answer 1 What is the relative mass of a neutron? -Answer 1 What is the relative mass of an electron? -Answer Very small How many types of atoms do elements contain? -Answer Only one type What are compounds? -Answer Substances containing two or more different elements that are chemically bonded toge...

1. The term “atom” was first used by the _____. a. Ethiopians b. British c. Greeks d. Romans ANS: C The term “atom” was first used by the Greeks DIF: Moderate REF: page 27 OBJ: Relate the history of the term “atom.” 2. The first person to describe an element as being composed of identical atoms was _____. a. J. J. Thomson b. John Dalton c. Dmitri Mendeleev d. Niels Bohr ANS: B The first person to describe an element as being composed of identical atoms was John Dalton....

What does 'aq' mean? - answer Aqueous - it is dissolved in water Water - formula - answer H20 Ammonia - formula - answer NH3 Carbon Dioxide - formula - answer CO2 Hydrogen - formula - answer H2 Chlorine - formula - answer Cl2 Oxygen - formula - answer O2 Ammonium (ion) - formula - answer NH4 (+) Hydroxide (ion) - formula - answer OH (-) Nitrate (ion) - formula - answer NO3 (-) Carbonate (ion) - formula - answer CO3 (2-) Sulfate (ion) - formula - answer SO4 (2-) What do you leav...

How do isotopes of the same element differ? - correct answer -They have different number of neutrons Which scientist was responsible for developing the format of the modern periodic table? - correct answer -Mendeleev Current, or the amount of electricity that is flowing, is measured in - correct answer -Amperes or Amps What property of motion explains why passengers in a turning car feel pulled toward the outside of the turn? - correct answer -inertia According to the Ideal Gas Law, ...

IPC practice test questionsPeriods - correct answer Each horizontal row of the periodic table. Groups / families - correct answer Each vertical column. Have similar chemical properties and similar electron configurations. Demitri Mendeleev - correct answer Made the first periodic table. He was writing a textbook and wanted to organize the 63 elements known at that time. He based his organization similar to the card game of solitaire. Increasing mass - correct answer Mendeleev organized ...

Intensive property A physical property of a substance that is not dependent on the size of mass of a sample, and cannot be determined by looking at the substance. Ex: density, mp, bp, temperature. Extensive property A physical property that depends on the amount of matter in a sample. Ex: mass, volume. Chemical property How a substance will change when it reacts with other substances and changes its chemical identity. Ex: flammability, oxidation state, toxicity. Periodic table -Arranged...

GCSE EDEXCEL TRIPLE SCIENCE CHEMISTRY PAPER 2 2024/2025 QUESTION PAPER ALREADY PASSED What does 'aq' mean? - answer Aqueous - it is dissolved in water Water - formula - answer H20 Ammonia - formula - answer NH3 Carbon Dioxide - formula - answer CO2 Hydrogen - formula - answer H2 Chlorine - formula - answer Cl2 Oxygen - formula - answer O2 Ammonium (ion) - formula - answer NH4 (+) Hydroxide (ion) - formula - answer OH (-) Nitrate (ion) - formula - answer NO3 (-) Carbonate (ion) -...

AFOQT Physical Science Practice Test Questions with complete solution 2023/2024How do isotopes of the same element differ? - correct answer They have different number of neutrons Which scientist was responsible for developing the format of the modern periodic table? - correct answer Mendeleev Current, or the amount of electricity that is flowing, is measured in - correct answer Amperes or Amps What property of motion explains why passengers in a turning car feel pulled toward t...

How do isotopes of the same element differ? - correct answer -They have different number of neutrons Which scientist was responsible for developing the format of the modern periodic table? - correct answer -Mendeleev Current, or the amount of electricity that is flowing, is measured in - correct answer -Amperes or Amps What property of motion explains why passengers in a turning car feel pulled toward the outside of the turn? - correct answer -inertia According to the Ideal Gas Law, ...