I am an alkali metal in the period 2
WebbScience. Chemistry. Chemistry questions and answers. Part A an alkaline earth metal in period 2 Express your answer as a chemical symbol. 0_ ΑΣΦ RE ? Submit Request Answer Part B group 6A (16), period 3 Express your answer as a chemical symbol. ΑΣΦ ? Submit Request Answer Part a noble gas in period 4 Express your answer as a … Webb20 juli 2024 · Group IIA also known as the alkaline-earth metals, include beryllium, magnesium, calcium, strontium, barium, and radium. The last member of the group, Ra, is radioactive and will not be considered here. All alkaline earths are silvery-gray metals which are ductile and relatively soft.
I am an alkali metal in the period 2
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Webb21 aug. 2024 · Lithium is an alkali metal with the atomic number = 3 and an atomic mass of 6.941 g/mol. This means that lithium has 3 protons, 3 electrons and 4 neutrons (6.941 - 3 = ~4). Being an alkali metal, lithium is a soft, flammable, and highly reactive metal that tends to form hydroxides. Webban alkali metal in Period 3. Express your answer as a chemical symbol. Na Group 7B, Period 4. Express your answer as a chemical symbol. Mn Group 3A, Period 3. Express your answer as a chemical symbol. Al Write the electron arrangement for each of the following elements: Carbon 2,4 Write the electron arrangement for each of the following …
Webb10 nov. 2024 · The alkaline earth metal found in period 3 of the periodic table is magnesium. The lightest structural metal is magnesium (Mg), an alkaline-earth metal … Webb21 mars 2024 · Alkali metals are located in group 1 on the left side of the Periodic table. Alkali metals include: Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), Cesium (Cs) and Francium (Fr). This above image clearly shows you where are Alkali metals located on the Periodic table. But hold on…
Webb3 okt. 2024 · Answer: Ba, or Barium Explanation: Alkaline Earth Metals are in the 2nd group of the Periodic Table. Be Mg Ca Sr Ba Ra These are the Alkaline Earth metals. … Webbaluminum. i am a member of the boron family and am the most abundant metal in the earth's crust. oxygen. i am a gas with 8 protons and neutrons. lead. i am a member of …
WebbThese elements (except hydrogen) are known as alkali metals, and they all have similar chemical properties. The elements in group 2 (the second column) form compounds consisting of one atom of the element and two atoms of hydrogen: These are called alkaline earth metals, with similar properties among members of that group.
Webb20 juli 2024 · Since the alkali metals all react with water in the same way, a general equation may be written: 2M ( s) + 2H 2 O ( l) → 2MOH ( a q) + H 2 ( g) with M = K, Li, Na, Rb, or Cs. The symbol M represents any one of the five elements. In addition to their behavior when added to water, the alkali metals react directly with many elements. lawyers discuss bargain his graftWebbPotassium (K) is an alkali metal, placed under sodium and over rubidium, and is the first element of period 4. [3] It is one of the most reactive elements in the periodic table, therefore usually only found in compounds. It tends to oxidize in air very rapidly, thus accounting for its rapid reaction with oxygen when freshly exposed to air. lawyers diaryWebbhalogen, any of the six nonmetallic elements that constitute Group 17 (Group VIIa) of the periodic table. The halogen elements are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At), and tennessine (Ts). They were given the name halogen, from the Greek roots hal- (“salt”) and -gen (“to produce”), because they all produce sodium salts of … kate ball todd mayer brownWebb13 mars 2024 · alkali metal: [noun] any of the monovalent mostly basic metals of group I of the periodic table comprising lithium, sodium, potassium, rubidium, cesium, and … lawyers destin flWebbSo let's go ahead and focus on metals next. Let's talk about the alkali metals. When I'm talking about metals, I'm going to try to write it in red here. The alkali metals are found in group 1, or group 1A, so things like lithium, and sodium, potassium. So here are my alkali metals. The alkali metals are soft, silvery metals that are extremely ... kate baldwin actressWebb11 sep. 2024 · The table shows the melting points of five alkali metals. Use this information to describe how melting point changes in group 1. Element Melting point (°C) Lithium, Li: 180: Sodium, Na: 98: kate ballo actressWebb11 nov. 2024 · Six chemical elements in Group 1, the periodic table's leftmost column, make up the alkali metals.They are francium (F), cesium (Cs), rubidium (Rb), potassium (K), sodium (Na), and lithium (Li) (Fr). One of the chemical elements in the third row of the periodic table of the chemical elements is referred to as a period 3 element. kate baldwin catering