Fundamentals quiz Please wait... 1. Calculate the relative formula mass(Mr) of a molecule of bromine (Br₂)8016014070 Loading... Question 1 of 12 2. What is a mass number?Mass number is the number of protons plus the number of neutrons in an atomMass number is the number of protons plus the number of neutrons plus the number of electrons in an atomMass number is the number of neutrons in an atomMass number is the number of protons in an atom Loading... Question 2 of 12 3. Balance the equation for the reaction: ___ HCl(aq) + ___ MnO₂(s) → ___MnCl₂(aq) + ___H₂O(l) + ___ Cl₂(g)4 HCl(aq) + 2 MnO₂(s) → 2 MnCl₂(aq) + 2H₂O(l) + Cl₂(g)4 HCl(aq) + MnO₂(s) → MnCl₂(aq) + 2H₂O(l) + Cl₂(g)6 HCl(aq) + MnO₂(s) → MnCl₂(aq) + 2H₂O(l) + 2 Cl₂(g)2 HCl(aq) + MnO₂(s) → MnCl₂(aq) + H₂O(l) + Cl₂(g) Loading... Question 3 of 12 4. What is meant by the term endothermic?A reaction which will only be spontaneous at cold temperatures (below 0⁰C)A reaction in which heat energy is given out (surroundings get hotter)A reaction in which heat energy is taken in (surroundings get colder)A reaction which will only be spontaneous at warm temperatures (above 100⁰C) Loading... Question 4 of 12 5. Describe the arrangement and movement of the particles in a liquid Particles are close together and regular. The particles are free to move. Particles are close together but regular. The particles are not free to move. Particles are close together but irregular. The particles are free to move. Particles are close together but irregular. The particles are not free to move. Loading... Question 5 of 12 6. Explain why atoms are neutralThe numbers of electrons and protons are equalThe numbers of protons and neutrons are equalThe numbers of electrons and neutrons are equalThe number of electrons is even Loading... Question 6 of 12 7. What is meant by the term atom?An atom is a particle found in the nucleusAn atom is made up of two or more elements bonded togetherAn atom is the smallest part of an elementAn atom is the smallest part of a compound Loading... Question 7 of 12 8. What is meant by the term element?An element is a substance made of only one type of atomA material that melts above 200 ⁰CAn element is a substance that contains two or more elements chemically joined together in fixed proportionsDifferent substances in the same space, but not chemically combined. Loading... Question 8 of 12 9. If an element conducts electricity, is it typically a metal or a non-metal?Depends on conditionsNon-metalMetalNeither non-metal or metal Loading... Question 9 of 12 10. Where are metals found on the periodic table?Only in the left hand columnAt the top rightOnly on the bottom rowOn the left, reaching across the middle Loading... Question 10 of 12 11. What happens when something melts?Melting is the change of state when a substance heats up from solid to liquidMelting is the change of state when a substance cools from liquid to solidMelting is the change of state when a substance cools from gas to liquidMelting is the change of state when a substance heats up from liquid to gas Loading... Question 11 of 12 12. On the Periodic Table what is the meaning of the word Period?A Period is a collection of elements with the same number of electrons in the outer shellA Period is a horizontal row of elementsA Period is a vertical column of similar elementsA Period is a collection of similar elements Loading... Question 12 of 12 Loading... Related Posts:The entire quiz question bank!The entire quiz question bank (Double only)!Key Calculations quizEquilibria (triple) quizCondensation Polymers quizElectrolysis quiz stuart2020-02-16T15:32:22+00:00Categories: Uncategorized|Tags: Quiz, Topic: Fundamentals| Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail
