5 Elements are -  1) Sodium. 2) potassium 3) calcium 4) magnesium 5)lithium  Rank them from 1 to 5, 1 being the most important and 5 being the least important. Explain how they are medically relevant

Q: Fighie 3-1 NEC, B H z-v-z С 2 Сз 3 Е Н

A: Answer:If an atom has degree of hybridization as 2, it means atom has sp hybridization. In case of…

Q: 1A References Use the References to access important values if needed for this question. 8A H2A 3A…

A: The objective of the question is to write the complete electron configuration for the common…

Q: Is phosphorus a metal? O Yes O No

A: Given that, Is phosphorus a metal?

Q: What is the mass percentage of C in CH3CH₂OH? Provide an answer to two decimal places.

A:

Q: 1. Aluminum reacts with Magnesium Chloride Charge: Alt3+ Mg 2CI 1 - Al**CI1+ Mg*2 Amount: 2. Sodium…

A:

Q: formulas

A:

Q: 1A H 2A Li Be 3A 4A 5A 6A 7A He BCNO F Ne Na Mg 38 48 58 68 7888 1B 2B Al Si P S Cl Ar K Ca Sc Ti V…

A: Covalent bond: The bond formed by the sharing of electrons between the atoms is called covalent…

Q: When 0.220 g of iron (atomic weight = 55.85 g/mol) is burned, 0.341 g of iron oxide is obtained.…

A: Given : Mass of iron=0.220 g Atomic weight of iron=55.85 g/mol Atomic weight of oxygen=16 g/mol Mass…

Q: Calculate the number of potassium ions in 11.6 g of potassium nitrate. Enter your answer in…

A: Please find your solution below : Avogadro' number is a factor that gives the number of molecules,…

Q: Q19. Select ------- The element that has the smallest density, Na, Li, Rb, Sr The strongest base…

A: Note: As per Bartleby policy, we can only answer one question at a time. So please post remaining…

Q: What are the basic units-single atoms, molecules, or for- mula units-that compose each substance?…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: C The radius of a nickel atom is 125 pm. How many nickel atoms would have to be laid side by side to…

A: We are given : radius of nickel atom (r) = 125 pm distance (d) = 1.11 mm number of nickel atoms (n)…

Q: Part C A solution of ammonia and water contains 1.30x1025 water molecules and 5.10x1024 ammonia…

A: Given data :  molecules of ammonia = 5.10*1024 molecules  molecules of water = 1.30*1025 molecules…

Q: (a) In the certain hydrated salt MSO3-4H20, the mass percentage of H20 is 44.71%. Identify the…

A:

Q: 7 8 10 11 12 How many millilitres are in 100 liters? Express the answer in scientific notation. How…

A: According to the bartleby guidelines for sub-miltipart, I can solve only first three questions. So…

Q: 1 How does atomic theory account for the fact that when 1.000 g of water is decomposed into its…

A: Given, Mass of water = 1.00g Mass of H2 = 0.111 g Mass of O2 = 0.889 g The reaction for…

Q: What 19K, 12 Mg, 13Al elements give with go The formulas of the compounds which are- well shown…

A: potasium is 1st A group member which is stable in +1 oxidation state Mg and Al are 2nd A and 3rd A…

Q: molar mass C

A:

Q: с -CN о Nан, ? Na BHz CN -NH₂ я HN0₂ не сисм 9 •

A:

Q: sil A flask of ammonia is connected to a flask of an unknown acid HX by a 2.00 m glass tube (where…

A: From Graham's law: (r1/r2) = √(m2/m1)  Rate of diffusion of Gas is inversely proportional to square…

Q: Nonmetals are completely OP Positę to metals in a lot of ways. Usually, nonmetals are $4eays by…

A: Element can be classified as metal or non metal or metalloid

Q: The atomic radius of E is 117. pm and that of E is 207. pm. Calculate the percent increase in volume…

A: Since an atom is considered as hard sphere, so,volume of atom = (4 × 3.14 × r3 )/3where, r = radius…

Q: your answer... choose your answer..... choose your answer... CH3COO CO3 NO2 OH MnO4 PO3 CN choose…

A: 1.Cation are the species which carry posative charge. 2. Anion are the species which carry negative…

Q: TA BA H2A 3A 4A SA 6A 7A He t Be BCNOE Ne NO 38 48 58 68 78 00 18 28 Si P S Cl Ar Se TV CRM foco Ni…

A: Beryllium---- The symbol of beryllium is ----- Be Beryllium (Be) placed period 2  and group 2 or IIA…

Q: 4oloctron uminum lóA AlT ఆంం canfiquratioA Ale 3+ lán Al

A: To find out the electronic configuration of an ion at first, find out the electronic configuration…

Q: The diagram below shows twelve different elements labelled A1 to L12. Answer the questions relating…

A: Given; A diagram showing different elements.

Q: POSSIBLE POINTS: 3 Imagine you start with an atom that has 7 protons, 7 neutrons, and 7 electrons.…

A: The element containing 7-electrons, 7 protons, and 7 neutrons is nitrogen(atomic number-7)

Q: 15 of 16 I Review | Constants | Periodic Table Part A H O ||| CH3-C-N-CH2-CH3 Spell out the full…

A: To write the IUPAC name of the given compounds.

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: Q4- Calculate the radius and volume also the density of Gold Nuclei (Au).

A: The relation between the mass number of a nucleus and the radius of the nucleus is given as follows;…

Q: A sample of gas mixture from a neon sign contains 5.12 x 10- mol Ne and 4.40 x 10- mol Kr. What are…

A: Mass percentage is the ratio of mass of a substance to the mass of mixture, multiplied by 100. Fir…

Q: MISSED THIS? Watch KCV65 M62 Read Section 65 You can click on the Revew in to access the section in…

A: Sodium is 1st group element having only one electron in outermost orbital. The charge on it +1. It…

Q: - Part A If Avogadro's number of pennies is divided equally among the 276 million men, women, and…

A: We know that, Avogadro's number of pennies = 6.022 x 1023 pennies. Convert these pennies into…

Q: Use the following atomic masses (in g/mol): Mg = 24.31; H = 1; S = 32.06; O = 16; Na = 23; Cl = 35.…

A:

Q: In the empirical formula of an oxide experiment, the value of x in MgXO was found to be 0.5;…

A: Given compound is MgxO. Given that x is 0.5. Therefore, the compound is Mg0.5O.

Q: Part 2 of 2 Atoms are spherical in shape. Therefore, the Pt atoms in the cube cannot fill all the…

A: The objective of this question is to calculate the number of Pt atoms in the cube and to calculate…

Q: None

A: Step 1: Introduction: The question involves the chemical synthesis and transformation of a beta-keto…

Q: 1A Use the References to access important values if needed for this question. 8A 3A 4A 5A 6A 7A He…

A: Magnesium Mg is 2A element and Chlorine Cl is 7A element.Magnesium Mg reacts with chlorine Cl to…

Q: Question 10 of 31 Determine the mass in grams of 3.00 x 1021 atoms of arsenic. (The mass of one mole…

A:

Q: Na Mg Al Si CI Ar 19 20 21 25 22 23 Ti 24 26 27 28 29 30 31 32 33 34 35 36 K Ca Sc V Cr Mn Fe Co Ni…

A: We have to find which among have the similar chemical properties

Q: 29. The mass spectrum shown is that of which element? (A) Y (B) Mo (C) Os (D) Zr O m/z Relative…

A: Every element exists as a different isotope and each isotope has a different relative abundanceThe…

Q: Consider the table. Metal Tm (K) AHFUS (kJ/mol) Tp (K) AHvap (kJ/mol) Li 454 2.99 1615 134.7 Na 371…

A: Given: For Cs: Melting point, Tm (K) = 302 K Boiling point, Tb (K) = 942 K Enthalpy of vaporization,…

Q: What is the mass of one atom of I? O 6.641 x 10-23 g O 4.745 x 10-22 g O 2.107 x 10 22 g O 3.443 x…

A: To determine the mass of 1 atom of I, do the following : 1) Determine molar mass of the substance.…

Q: Be sure to answer all parts. The following table gives numbers of electrons, protons, and neutrons…

A: The concept for determining charge and neutrality on the given element is- If electron = protons…