##### Browse Questions

Create printable tests and worksheets from Grade 10 Chemistry questions. Select questions to add to a test using the checkbox above each question. Remember to click the add selected questions to a test button before moving to another page.

Show Chemistry questions in All Grades.
1 2 3 4 ... 12
 Grade 10 :: Periodic Table and Elements by Qalam
 In a famous experiment conducted by Ernest Rutherford, positively charged alpha particles were scattered by a thin gold foil. Which of the following is a conclusion that resulted from this experiment? The nucleus is negatively charged. The atom is a dense solid and is indivisible. The mass is conserved when atoms react chemically. The nucleus is very small and the atom is mostly empty space
 Grade 10 :: Acids and Bases by SheilaH
 Substances with a pH higher than 7 are                . acids bases neutral radicals
 Grade 10 :: Reactions by Qalam
 To balance a chemical equation, you may adjust the coefficients subscripts formulas of the product either of coefficients or subscripts
 Grade 10 :: Periodic Table and Elements by Qalam
 The atomic number of an element is same as the number of protons. neutrons. protons + electrons. protons + neutrons.
 Grade 10 :: Atomic Structure by Qalam
 Which of the following elements has the highest electronegativity? oxygen hydrogen fluorine carbon
 Grade 10 :: Periodic Table and Elements by Qalam
 Which of the following elements has the smallest atomic radius? Sulfur Chlorine Aluminum Sodium
 Grade 10 :: Reactions by Qalam
 Which of the following includes an example of a chemical property of an element? Aluminum is a solid at room temperature and is a poor thermal insulator. Sulfur is not shiny and is not malleable. Sodium is a solid at room temperature and reacts with other elements. Silicon is shiny and is a poor conductor of electricity.
 Grade 10 :: Atomic Structure by Qalam
 Group 17 elements, the halogens, are the most reactive of the nonmetals because they require only one electron to fill their outer energy level. have the highest ionization energies. have the largest atomic radii. are the farthest to the right in the periodic table.
 Grade 10 :: Bonds and Mixing by Qalam
 A polar covalent bond is likely to form between two atoms that are similar in electronegativity are of similar size differ in electronegativity have the same number of electrons
 Grade 10 :: Atomic Structure by Skay78
 Grade 10 :: Periodic Table and Elements by Qalam
 Elements in a group of the periodic table are described below. Soft silvery-white color Good conductor of thermal energy Good conductor of electricity Atoms contain a single valence electronWhat group is described? Alkali metals Alkaline earth metals Halogens Noble gases
 Grade 10 :: Reactions by Qalam
 When zinc is exposed to air, zinc oxide is produced. What happens in this reaction? Zinc is oxidized, and oxygen is reduced Zinc is reduced, and oxygen is oxidized. Both zinc and oxygen are oxidized. Both zinc and oxygen are reduced
 Grade 10 :: Periodic Table and Elements by Qalam
 Sodium, mercury, argon, and neon are used in the production of lamps. There are fewersafety guidelines regarding the handling of neon and argon than for mercury and sodium.Which of the following best describes the elements within the group of the periodic table that contains neon and argon gas? Gaseous at room temperature and highly reactive with metals Solid at room temperature and mildly reactive with strong acids Gaseous at room temperature and mostly unreactive with metals Solid at room temperature and mostly unreactive with strong acids
 Grade 10 :: Atomic Structure by Qalam
 Cathode rays are composed of alpha particles electrons protons neutrons
 Grade 10 :: Periodic Table and Elements by Qalam
 Which of these statements is an accurate description of the ionization energies of elements in the periodic table? The ionization energy of lithium is greater than that of potassium. The ionization energy of iodine is greater than that of fluorine The ionization energy of magnesium is greater than that of sulfur The ionization energy of krypton is greater than that of neon
 Grade 10 :: Atomic Structure by Qalam
 What is the maximum number of unpaired electrons that can be placed in a 3p sublevel? 1 2 3 4
 Grade 10 :: Bonds and Mixing by Qalam
 We know that air is a mixture and not a compound because it can be heated to a higher temprature it can be compressed to a smaller volume it is colorless its composition can vary
 Grade 10 :: Atomic Structure by Melloni
 Thallium has two isotopes, thallium-203 and thallium- 205. Thallium's atomic number is 81, and its atomic mass is 204.38 amu. Which statement about the thallium isotopes is true? There is more thallium-203 in nature Atoms of both isotopes have 81 protons Thallium-205 atoms have fewer neutrons The most common atom of thallium has a mass of 204.38 amu.
 Grade 10 :: Atomic Structure by Melloni
 Which of these descriptions is incorrect? proton: positive charge, in nucleus, mass of = 1 amu electron: negative charge, mass of = 0 amu, in nucleus neutron: mass of = 1 amu, no charge
 Grade 10 :: Atomic Structure by Melloni
 Select the correct electron configuration for silicon, atomic number 14. $1s^2 2s^2 2p^6 3s^2 3p^6 4s^2$ $1s^2 2s^2 2p^4 3s^2 3p^4$ $1s^2 2s^2 2p^6 3s^2 3p^2$
1 2 3 4 ... 12
You need to have at least 5 reputation to vote a question down. Learn How To Earn Badges.