Which two of these elements would you expect to show the greatest similarity in chemical and physical properties: B, Ca, F, He, Mg, P?

Q: 66. Which element do you expect to be most like magnesium? Why?(a) potassium(b) silver(c) bromine(d)…

A: Magnesium = Its atomic number is 12, and present in Group 2 in the periodic table.

Q: The monatomic ions of Groups 1A(1) and 7A(17) are all singly charged. In what major way do they…

A: To find: The monatomic ions of Groups 1A(1) and 7A(17) are all singly charged. In what major way do…

Q: how many grams of lithium nitrate will be needed to make 250 grams of lithium sulfate. assuming that…

A: Lithium nitrate reacts with the lead sulfate to form the lithium sulfate and lead nitrate. The…

Q: The natural abundance of the three stable isotopes are 90.92% isotope A (19.9924 amu), 0.3104%…

A:

Q: 1)    The element gallium (Ga) exists in two isotopic forms with the following abundances: 60.16%…

A:

Q: Which pair of elements below should be the most similar in chemical properties?   Cs  ,  He I…

A: If element belong to same group then it's chemical properties is mostly same.

Q: The elements in Groups 1A(1) and 7A(17) are all quite reactive. What is a major difference between…

A: The elements in Groups 1A(1) and 7A(17) are all quite reactive. What is a major difference between…

Q: Write the empirical formula corresponding to each of the following molecular formulas: (a) Al;Bre;…

A: Empirical formula gives simple whole number ratio of atoms of various elements present in one…

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: We have been provided with data from mass-spectroscopic analysis, including the masses of ruthenium…

Q: How many valence electrons does an element in each group contain: (a) 2A; (b) 4A; (c) 7A?

A: (a)  Group 2A : Valence electrons = 2 (b)  Group 4A : Valence electrons = 4 (c)  Group 7A : Valence…

Q: Which of the following elements would have chemical properties similar to Ca   K, Ba, Kr, or Sc

A: Elements from same group have same chemical properties

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: given  isotope        mass       relative abundance 92 mo            91.91          98% 97mo…

Q: Hydrogen sulfide is a gas with the odor of rotten eggs. The gas can sometimes be detected in…

A: Given gas: Hydrogen sulfide (H2S) Atomic ratio of hydrogen and sulfur is 2:1. The given mass of…

Q: Rank the masses of the elements from lightest to heaviest. To rank items as equivalent, overlap…

A: Atomic masses of the elements: B : 11 u Cr: 52 u Li: 7 u

Q: Identify each of the following elements as a metal, non-metal, or metalloid: (a) gallium, (b)…

A: In the periodic family: Metals exhibit electropositive character. Non-metals exhibit electronegative…

Q: 9.Which of the following elements is in Group 6B?   a, Cs b, Po c, O d, Mo 10,Which of the following…

A: 9. Out of the given elements, d, Molybednum(Mo) is in Group 6B of the periodic table. Molybednum is…

Q: Hypothetical elements X and Y form a molecule XY2, in which both Y atoms are bonded to atom X (and…

A: X-Y distance in the molecule XY2 will be 186 pm.  Bond length of any molecule is given by the…

Q: (d) the ion with 74 electrons, 116 neutrons, and a +3 charge

A: Answer:Mass number of the element is always equal to the sum of number of protons and number of…

Q: Three samples (A, B, and C) of pure substance composed ofsodium, sulfur, and oxygen were isolated…

A: A question based on elemental analysis, which is to be accomplished.

Q: Which of the following pairs of elements have the most similar chemical properties?     O and N…

A: Elements that are present in same group have moat similar properties.

Q: The isotope carbon­11 does not occur in nature but has been made in the laboratory. This isotope is…

A: Given: The carbon isotope= C611

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A:

Q: Two common oxides of iron are FeO and Fe2O3. Based on this information, tell how you would predict…

A: Iron has two common oxidation state, Fe2+ and Fe3+. To differentiate between Fe2+ and Fe3+ in…

Q: 3. Which of the following is NOT found in group 13? A boron (B) B gallium (Ga) © indium (In) D…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: From the following list of elements—Ar, H, Ga, Al, Ca, Br, Ge, K,O—pick the one that best fits each…

A: The elements are classified on the basis of their atomic numbers in the periodic table. It was first…

Q: Is Ni and Cu  Different elements, isotopes or ions?

A: Isotopes: Each of two or more forms of the same element that contain equal numbers of protons but…

Q: Which of the following elements would we expect to be most similar: nitrogen, chlorine, barium,…

A:

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A:

Group 14 Elements

The following elements come under group 14 of the periodic table.