Question: One isotope of a nonmetallic element has mass number 127 and 74 neutrons in the nucleus. The anion derived from the isotope has 54 electrons.

One isotope of a nonmetallic element has mass number 127 and 74 neutrons in the nucleus. The anion derived from the isotope has 54 electrons. Write the symbol for this anion.

Step by Step Solution

★★★★★

3.51 Rating (151 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The number of protons 65 35 30 The elem... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

932-C-O-C (1531).docx

120 KBs Word File

Students Have Also Explored These Related Organic Chemistry Questions!

One isotope of a metallic element has mass number 80 and has 55 neutrons in the nucleus. An atomic ion has 23 electrons. Write the symbol for this ion (give the symbol for the nucleus and give the...

One isotope of a metallic element has mass number 65 and 35 neutrons in the nucleus. The cation derived from the isotope has 28 electrons. Write the symbol for this cation.

One isotope of uranium has a mass number of 235, and another has a mass number of 238. What are the numbers of protons, neutrons, and electrons in a neutral atom of each isotope?

One isotope of a metallic element has mass number 74 and has 51 neutrons in the nucleus. An atomic ion has 18 electrons. Write the symbol for this ion (give the symbol for the nucleus and give the...

please kindly help with all of the questions God bless you 76. Which element is not a semimetal? A) Al B) Si C) Ge D) As E) none of the above 77. Which of the following is an alkali metal? A) Al B)...

80 A O electron O positron O alpha particle gamma-ray photon Submit Request Answer Part C PearsonPart C 54 140X _ Cs + X O gamma-ray photon O positron O electron alpha particle Submit Request Answer...

Atom Components and Chemical Symbols 5 of 26 Review Constants Periodic Table Particle Learning Goal: To understand the composition of the atom Aloms are composed of electrons, nations, and protone....

Complete the table below. All elements are neutral. Element Silver Symbol 134 54Xe Atomic Number 92 Mass Number Number of Number of protons neutrons Number of electrons 107 9 10 143 41 19 2. Write...

1. (6pts) Convert to scientific notation a. 7403 b. 703.46 c. 0.07403 2. (6pts) Convert to standard (decimal) notation a. 3.67102 b. 3.670103 c. 5.08103 3. (2pts) Describe one benefit of writing...

Write the symbol for each of the following species: ( a ) the ion with a 1 + charge, atomic number 5 5 , and mass number 1 3 3 ( b ) the ion with 5 4 electrons, 5 3 protons, and 7 4 neutrons ( c )...

Recently, a study was conducted in which a random sample of hospitals was selected from each of four categories of hospitals: university related, religious related, community owned, and privately...

In the circle shown with center O, the radius is 3. QTSR is an inscribed square. Find the value of PQ +PT + PR + PS. PQ +PT + PR + PS = (Simplify your answer.) R .0 S

E5-24A Analyze flow of costs through inventory T-accounts (Learning Objective 1) Tasty Treats Bakery mass-produces bread using three sequential processing departments: Mixing, Baking, and Packaging....

Random variables. Given independent random variables with means and standard deviations as shown, find the mean and standard deviation of: a) 0.8Y b) 2X-100 c) X + 2Y Mean SD d) 3X - Y e) Y + Y X 120...

Write the cell reaction and electrode half-reactions and calculate the standard emf of each the following cells: (a) Ptl C12 (g) I HCl (aq) 11 K, Cr04 (aq) IAg, Cr04(s) IAg (b) Pt 1 Fe3+(aq),Fe2+(aq)...

Devise cells in which the following are the reactions and calculate the standard emf in each case: (a) 2 Na(s) + 2 H20 (l) --7 2 NaOH (aq) + H2 (g) (b) H2 (g) + I2 (g) --72 HI (aq) (c) H30+ (aq) + OW...

Consider the cell Pt |H2 (g, po) | HC| (aq) AgCI(s) Ag, for which the cell reaction is 2 AgCl(s) + H2 (g) --72 Ag(s) + 2 HCl (aq). At 25C and a molality of HCl of 0.010 mol kg, E = +0.4658 V. (a)...

months and will partially disrupt production. The firm has just completed a $50,000 feasibility study to analyze the decision to buy the XC-750, resulting in the following estimates: to be 74% of...

Security F has an expected return of 10.50 percent and a standard deviation of 43.50 percent per year. Security G has an expected return of 15.50 percent and a standard deviation of 62.50 percent per...

Greater risk reduction can be achieved when security returns are A . high B . negatively correlated C . positively correlated D . uncorrelated