was discovered by the British Humphry Davy in 1808. Alkaline-earth metal, any of the six chemical elements that comprise Group 2 of the periodic table. What is the heaviest alkaline earth metal? The elements are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). Alkaline-Earth Metals Period. What is the lightest alkaline earth metal? Alkaline Earth Metals. Titanium Transition metal group 4 period 4 atomic number 22. Oxygen family in period 3 - sulfur 6. They are smaller than the alkali metals of the same period, and therefore have higher ionization energies. Alkaline earth metal Group 2 Period 2 4 Be 3 12 Mg 4 20 Ca 5 38 Sr 6 56 Ba 7 88 Ra The alkaline earth metals are a series. Why is the second group called alkaline earth metals? Therefore, the valence shell electron configuration is ns 2. Beryllium. my.chemeurope.com. a halogen in period 3 Express your answer as a chemical symbol. Cr. - Chemistry. Figure 2.20. Which alkali metal is the least reactive? Name or state following with reference to the element of the first three periods of the periodic table. It consists of beryllium, magnesium, calcium, strontium, barium, and radium. 2,8,2 Atomic Number. The alkaline earth metals (beryllium, magnesium, calcium, strontium, barium, and radium) constitute group 2 of the periodic table. Name: Magnesium Symbol: Mg Atomic Number: 12 Atomic Mass: 24.3 Number of Protons/Electrons: 12 Number of Neutrons: 12 Classification: Alkaline Earth Metals The common physical properties of Alkaline Earth Metals are; they are … 923 … Alkaline Earth Metal in Period 3. The elements of this group are quite similar in their physical and chemical properties. (h) An electrovalent compound formed by an alkaline earth metal and a halogen. 0 Comment. Cl (chlorine) How many halogens are in period 3 of the periodic table? With an accout for my.chemeurope.com you can always see everything at a glance – and you can configure your own website and individual newsletter. Classification: Alkaline Earth Metals Discovery: 1798 Discoverer: Fredrich Wohler Uses: spacecraft, missiles, aircraft. V. Vanadium transition metal group 5 period 4 atomic number 23. Things like magnesium and calcium and strontium are your alkaline earth metals. That means that each element has 2 electrons on the outer most level of their energy levels. Name Or State Following with Reference to the Element of the First Three Periods of the Periodic Table. Question By default show hide Solutions. The Periodic Table . Originally the term "alkaline earths" referred only to … Has 3 valence electrons and 3 layers of electrons - aluminium 9. The nuclear charge increases when going from group 1 to group 2. Group #2 in the Periodic Table has 2 valence electrons. CaCl2. This column corresponds to the s subshell being filled with 2 electrons. We find it listed in the periodic table of elements in group 2 and 3 and period block s. Magnesium belongs to the family or series of chemical alkaline earth metals, This element is stable. Joseph Black Date of Discovery. Reading The Periodic Table. Be 2+ > Mg 2+ >Ca 2+ > Sr 2+ > Ba 2+. The alkaline earth metals are in the second column of the periodic table. group 4A (14), period 4 Express your answer as a chemical symbol. How many alkaline metals are there? Groups. The elements in the alkaline earth metals group; beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra), have two electrons in their outer electronic shell. Period 2: 4 Be: 3: 12 Mg: 4: 20 Ca: 5: 38 Sr: 6: 56 Ba: 7: 88 Ra: Alkaline Earth Metal is a group of metallic elements on the second group of the periodic table. The name alkaline metal comes from the fact that the oxides of the heavier members of the group react with water to form alkaline solutions. ... which compound contains an alkaline earth metal and a halogen. They are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). group 5A (15), period 3 Express your answer as a chemical symbol. What is Group 2 called? - Chemistry. 3 Group. Answer b. The Alkaline Earth Metals contain Beryllium, Magnesium, Calcium, Strontium, Barium, and Radium. metals outnumber nonmetals on the periodic table because most of the elements. The alkaline earth metals are the elements that correspond to group 2 of the modern periodic table. Sc. The elements have very similar properties: they are all shiny, silvery-white, somewhat reactive metals at standard temperature and pressure. an Alkaline Earth Metal in Period 3. Mn. The alkaline earth metals are six chemical elements in group 2 of the periodic table. my.chemeurope.com . The lanthanides (rare earth) and actinides are also transition metals. Solution Show Solution. Alkaline Earth metal in period 4 - calcium 3. You find those in group 2, or group 2A, so right in here. 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Barium ( Ba) is one of six elements in group 2 of the periodic table, which is shown below. Has 1 valence electron and 5 layers of electrons - rubidium 7. Advertisement Remove all ads. The second column of elements from the left of the periodic table is known as the Group 2 or alkaline earth metals. Transition Metals. The alkaline earths possess many of the characteristic properties of metals.Alkaline earths have low electron affinities and low electronegativities.As with the alkali metals, the properties depend on the ease with which electrons are lost.The alkaline earths have two electrons in the outer shell. alkaline earth metal metal group 2 period 4 atomic number 20. Alkaline Earth Metals. Are alkali metals rare? 12 Atomic Mass. Magnesium. 1: Period 2 of the periodic table. Scandium transition metal metal group 3 period 4 atomic number 21. An alkaline earth metal in period 3 is Mg [Magnesium], Chapter 5: The Periodic Table - Additional Questions, Viraf J. 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Your alkaline earth metals are reactive-- not quite as reactive as the metals in … Ti. The alkaline earth metals have two valence electrons in their highest-energy orbitals (ns 2). The chemical symbol for Magnesium is Mg and its atomic number is 12. The hydration enthalpies of alkaline earth metal ions decreases as the size of the metal ion increases down the group i.e. P3. Name and state the following with reference to the elements of the first three periods of the periodic table. One Word Answer. Group #2 is also known as Alkaline Earth Metals. In most cases, the alkaline earth metals are ionized to form a 2+ charge. Alkaline Earth Metals Located In Period 3 Of The Periodic Table. an alkaline earth metal in period 2 Express your answer as a chemical symbol. Name or state following with reference to the element of the first three periods of … See Page 1. (k) Typical elements of Groups 14 and 15. Published with reusable license by period 3. a noble gas in period 3 Express your answer as a chemical symbol. (a) the halogen in the same period as the alkali metal with 11 protons (b) the alkaline earth metal in the same period with the neutral noble gas with 18 electrons (c) the noble gas in the same row as an isotope with 30 neutrons and 25 protons (d) the noble gas in the same period as gold. My watch list. Chapter 5 flashcards quizlet 3 1 the periodic table t j the periodic table families and investigating the periodic table. Noble Gas in period 2 - neon 5. Description in the first column 4 what alkaline earth metal is located periodicity chemistry worksheet Periodic Table Of Elements With Worked Solutions SChapter 5 Flashcards QuizletReading The Periodic Table4 What Alkaline Earth Metal Is Located In Period CheggThe Periodic Table Properties Of Groups And PeriodsReading The Periodic TableElectronegativity Trends Among Groups And Periods … Write a symbol for each of the following neutral isotopes. 2 Electron Configuration. The alkaline-earth elements are highly metallic and are good conductors of electricity. Chemical element Chemical series Electron configuration 11 Na Sodium Alkali metal [Ne] 3s 12 Mg Magnesium Alkaline earth metal [Ne] 3s 13 Al Aluminium Other metal [Ne] 3s 3p 14 Si Silicon Metalloid [Ne] 3s 3p 15 P Phosphorus Other nonmetal [Ne] 3s 3p 16 S Sulfur Other nonmetal [Ne] 3s 3p 17 Cl Chlorine Halogen [Ne] 3s 3p 18 Ar Argon Noble gas [Ne] 3s 3p 1. Which is greater in size an atom or a anion? (i) Bridge elements of Period 3 of Group 1, 2 and 3, (j) Alkali metal in Period 3 that dissolves in the water giving a strong alkali. Has 7 valence electrons and 6 layers of electrons - astatine 8. Halogen in period 5 - iodine 4. Chromium transition metal group 6 period 4 atomic number 24. The basic … These metals are silver or gray in color. What element is in Group 4 Period 5? The element in Period 3 that has the highest ionization energy is (A) an inert gas; (B) a halogen; (C) an alkali metal; (D) an alkaline earth metal 33. This preview shows page 3 out of 3 pages. 32. Pages 3. This group of elements includes beryllium, magnesium, calcium, strontium, barium, and radium. Elements in this group are called alkaline Earth metals. 24.305 Discoverer. Meet Group #2. September 13, 2012. (g) Non-metallic element present in Period 3 of Groups 15 and 16. Next, let's talk about the alkaline earth metals. 1755 Melting Point, Boiling Point. Alkaline earth metal in period 3. View full document. the alkaline earth metals; the column of elements headed by carbon; Answer a. They are relatively soft and low in density, although not as soft and lightweight as alkali metals. One Line Answer. Properties of the Alkaline Earth Metals . Chapter 5 Flashcards Quizlet. the alkaline earth metal in Period 3 the noble gas in Period 3 Identify the following elements by name. Which element in period 3 has the greatest tendency to gain electrons? By Hilman Rojak | October 14, 2020.