Atomic Structure Quiz( Form 2, Chemistry

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Test your knowledge on the composition and structure of atoms!

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Atomic Structure Quiz( Form 2, Chemistry


Froggy Jumps Atomic Structure Quiz( Form 2, ChemistryVersion en ligne Test your knowledge on the composition and structure of atoms! par YAKILI LMS 1 What are the three main subatomic particles in an atom? a Protons, neutrons, and electrons. b Protons, muons, and electrons. c Photons, neutrons, and positrons. 2 Which subatomic particle has a positive charge? a Proton. b Neutron c Electron 3 Where are protons and neutrons located in an atom? a In the outer shell b In the nucleus. c In the electron cloud 4 What is the charge of an electron? a Neutral b Negative. c Positive 5 What determines the atomic number of an element? a The number of neutrons b The number of electrons c The number of protons. 6 Which particle has no charge? a Proton b Neutron. c Electron 7 What is the mass of a proton compared to an electron? a Equal b Much larger. c Much smaller 8 What is the nucleus of an atom made of? a Electrons and positrons b Only electrons c Protons and neutrons. 9 Which particle orbits the nucleus of an atom? a Neutron b Electron. c Proton 10 What is the overall charge of a neutral atom? a Zero. b Positive c Negative 11 What does Bohr's model describe? a The properties of elements. b The structure of an atom. c The behavior of molecules. 12 In Bohr's model, electrons orbit the nucleus in what? a Random paths. b Fixed positions. c Defined energy levels. 13 What particle is located in the nucleus of an atom? a Electron. b Proton. c Neutron. 14 According to Bohr, what happens when an electron jumps to a higher energy level? a It absorbs energy. b It loses energy. c It becomes a proton. 15 What is the charge of a proton? a Positive. b Neutral. c Negative. 16 Which of the following particles has no charge? a Electron. b Neutron. c Proton. 17 What is the maximum number of electrons in the first energy level? a 18. b 2. c 8. 18 What is the main limitation of Bohr's model? a It ignores nuclear forces. b It doesn't explain multi-electron atoms. c It can't predict atomic mass. 19 In Bohr's model, what does an electron emit when it falls to a lower energy level? a A proton. b A photon. c A neutron. 20 What is the mass of an electron compared to a proton? a Much smaller. b Much larger. c Equal. 21 What does the electronic structure of an element indicate? a The color of the element. b The arrangement of electrons in its atoms. c The mass of the element. 22 How do you determine the group of an element from its electronic structure? a By counting the number of valence electrons. b By its atomic mass. c By counting the total number of electrons. 23 What is the maximum number of electrons in the outer shell for Group 18 elements? a 18 electrons. b 2 electrons. c 8 electrons. 24 Which period does an element with the electronic structure 1s² 2s² belong to? a Period 3. b Period 2. c Period 1. 25 What is the significance of the period number in an element's electronic structure? a It indicates the number of protons. b It indicates the element's reactivity. c It indicates the number of electron shells. 26 An element in Group 1 has how many valence electrons? a 7 valence electrons. b 2 valence electrons. c 1 valence electron. 27 What does the term 'valence electrons' refer to? a Electrons in the outermost shell. b Electrons in the inner shells. c All electrons in the atom. 28 Which of the following elements is in Period 3? a Helium (He). b Sodium (Na). c Carbon (C). 29 How many groups are there in the periodic table? a 18 groups. b 20 groups. c 12 groups. 30 What electronic configuration corresponds to an element in Group 17? a ns² np⁵. b ns² np⁶. c ns² np². 31 What is the charge of a proton? a Positive b Neutral c Negative 32 Where are neutrons located in an atom? a Outer shell b Electron cloud c Nucleus 33 What is the charge of an electron? a Neutral b Negative c Positive 34 Which particle has no charge? a Neutron b Electron c Proton 35 What is the charge of a neutron? a Positive b Negative c Neutral 36 Where are electrons found in an atom? a Nucleus b Core c Electron cloud 37 Which particle is found in the nucleus? a Electron b Photon c Proton 38 What is the mass of a proton compared to an electron? a Much greater b Equal c Much lesser 39 Which particle determines the atomic number? a Electron b Neutron c Proton 40 What is the overall charge of an atom? a Positive b Negative c Neutral 41 What is a key limitation of Bohr's model? a It predicts electron paths precisely. b It cannot accurately describe multi-electron atoms. c It applies to all elements equally. 42 Which application is Bohr's model best known for? a Predicting chemical bonding. b Describing nuclear reactions. c Explaining the hydrogen atom's spectral lines. 43 What assumption does Bohr's model make about electron orbits? a Electrons can exist anywhere. b Electrons travel in fixed circular orbits. c Electrons are stationary. 44 How does Bohr's model treat energy levels? a As variable based on temperature. b As quantized, with specific energy values. c As continuous. 45 What phenomenon does Bohr's model fail to explain? a Fine structure of spectral lines. b Chemical reactivity. c Photoelectric effect. 46 Which principle contradicts Bohr's model? a Heisenberg's uncertainty principle. b Law of conservation of mass. c Newton's laws of motion. 47 In which field is Bohr's model primarily applied? a Thermodynamics. b Atomic physics. c Organic chemistry. 48 What does Bohr's model suggest about electron transitions? a They occur by absorbing or emitting photons. b They happen spontaneously. c They require external magnetic fields. 49 What does Bohr's model assume about angular momentum? a It is quantized in integer multiples of h/2π. b It is always zero. c It varies continuously. 50 Which atom's behavior is not well described by Bohr's model? a Hydrogen. b Helium. c Lithium.

Atomic Structure Quiz( Form 2, Chemistry

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Atomic Structure Quiz( Form 2, ChemistryVersion en ligne

par YAKILI LMS

What are the three main subatomic particles in an atom?

Which subatomic particle has a positive charge?

Where are protons and neutrons located in an atom?

What is the charge of an electron?

What determines the atomic number of an element?

Which particle has no charge?

What is the mass of a proton compared to an electron?

What is the nucleus of an atom made of?

Which particle orbits the nucleus of an atom?

What is the overall charge of a neutral atom?

What does Bohr's model describe?

In Bohr's model, electrons orbit the nucleus in what?

What particle is located in the nucleus of an atom?

According to Bohr, what happens when an electron jumps to a higher energy level?

What is the charge of a proton?

Which of the following particles has no charge?

What is the maximum number of electrons in the first energy level?

What is the main limitation of Bohr's model?

In Bohr's model, what does an electron emit when it falls to a lower energy level?

What is the mass of an electron compared to a proton?

What does the electronic structure of an element indicate?

How do you determine the group of an element from its electronic structure?

What is the maximum number of electrons in the outer shell for Group 18 elements?

Which period does an element with the electronic structure 1s² 2s² belong to?

What is the significance of the period number in an element's electronic structure?

An element in Group 1 has how many valence electrons?

What does the term 'valence electrons' refer to?

Which of the following elements is in Period 3?

How many groups are there in the periodic table?

What electronic configuration corresponds to an element in Group 17?

What is the charge of a proton?

Where are neutrons located in an atom?

What is the charge of an electron?

Which particle has no charge?

What is the charge of a neutron?

Where are electrons found in an atom?

Which particle is found in the nucleus?

What is the mass of a proton compared to an electron?

Which particle determines the atomic number?

What is the overall charge of an atom?

What is a key limitation of Bohr's model?

Which application is Bohr's model best known for?

What assumption does Bohr's model make about electron orbits?

How does Bohr's model treat energy levels?

What phenomenon does Bohr's model fail to explain?

Which principle contradicts Bohr's model?

In which field is Bohr's model primarily applied?

What does Bohr's model suggest about electron transitions?

What does Bohr's model assume about angular momentum?

Which atom's behavior is not well described by Bohr's model?