
Periodic Trends in Ionisation energy
Quiz by Olamide Akinnagbe
Grade 9-12
Science
Next Generation Science Standards
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8 questions
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- Q1A cation ion is an ion with a positive charge because a neutral atom has LOST one or more electrons. A cation that has a +1 charge has lost ONE electron. An atom with a +3 charge has lost _______ electrons.23130sHS-PS1-1
- Q2Which of the following is true for alkaline earth metals as their atomic number increases?The Coulombic attraction increases.The number of valence electrons increases.Ionization energy decreases.The atomic radius decreases.30sHS-PS1-1
- Q3Which element has the greater ionization energy?StrontiumBoron30sHS-PS1-1
- Q4Put the following in order of increasing ionization energy:Neon, Lithium, CarbonCarbon, Lithium, NeonLithium, Carbon, NeonLithium, Neon, CarbonNeon, Carbon, Lithium30sHS-PS1-1
- Q5Put the following in order of increasing ionization energy:Sodium, Oxygen, BoronSodium, Boron, OxygenSodium, Oxygen, BoronSodium, Boron, OxygenOxygen, Boron, Sodium30sHS-PS1-1
- Q6An ion is an atom or molecule with a net electric charge due to the loss or gain of one or more electrons. How are ions formed?Loss or gain of a neutronLoss or gain of a protonLoss or gain of an electron by a neutral atom30sHS-PS1-1
- Q7When ONE electron is removed from a neutral atom the atom forms an ion with a + 1 charge. A K ion is written as K+. ALL elements in group 1 form an ion with a +1 charge. How would we write the symbol for a sodium ion?Na+2Na+ (the 1 is understood and does not need to be written)Na++++30sHS-PS1-1
- Q8An electron can be removed from an atom if enough energy is supplied. This is called ionization energy. Using A as a symbol for an atom of any element, the process can be expressed as follows: A + energy → A+ + e- To compare the ease with which atoms of different elements give up electrons, chemists compare ionization energies. (To avoid the influence of nearby atoms, measurements of ionization energies are made on isolated atoms in the gas phase.) What is ionization energy?energy to gain an electronEnergy required to remove an electron from a neutral atom30sHS-PS1-1