What are the symbol and name of the element

Assignment Help Chemistry
Reference no: EM13122413

A 2+ ion of a particular element has an atomic mass of 203 and 123 neutrons in its nucleus,
a) what is the nuclear charge in this element. Why?
b) what are the symbol and name of this element? How do you know?
c) how many valence electrons does a neutral atom of this element have?
d) how many levels of electrons are occupied when this element is in its ground state?

Reference no: EM13122413

Questions Cloud

Comparison of the bank statement with the cash account : On July 31, 2010, Fenton Company had a cash balance per books of $6,140. The statement from Jackson State Bank on that date showed a balance of $7,695.80. A comparison of the bank statement with the cash account revealed the following facts.
Illustrate what is some of main features of an audit program : Illustrate what is some of the main features of an Audit Program? Illustrate what does RELIABILITY mean in terms of audit evidence? Give an example.
Description of tree diagram : Construct a tree diagram to represent this sitution. List the sample space. Determine the exact probability of creating a min license plate with a J. solution should be in reduce fraction form
Probability counting principle : Probability : Counting Principle, A social security number has 9 digits. How many different S.S numbers are possible if:
What are the symbol and name of the element : A 2+ ion of a particular element has an atomic mass of 203 and 123 neutrons in its nucleus, a) what is the nuclear charge in this element. Why? b) what are the symbol and name of this element? How do you know?
Who are committed to theory x : Q. Examine how managers who are committed to Theory X assumptions are likely to organize their work environment in terms of their relationships with their subordinates.
What makes a cpa license valuable : What makes a CPA license valuable? a. Time, effort and education it takes to get the license. b. Continuing education after receiving the license. c. Monopoly on public accounting services.
Explain the importance of slack in terms of project schedule : Explain the importance of slack in terms of project schedules. When you are working in MS Project, where can you go to see explain how much slack is in your project?
Illustrate three types of illegal business behaviour alleged : Illustrate three types of illegal business behaviour alleged against Mr. Madoff and for each type of behaviour, explain how the behaviour is illegal or unethical in the conduct of business.

Reviews

Write a Review

Chemistry Questions & Answers

  Determine how many atoms there are in 1 gallon

Determine how many atoms there are in 1 gallon using your knowledge of mole calculations and unit conversions. Assume that the molecular formula for gasoline = C6H14 ,the density of gasoline =0.85 grams/mL

  Determine the molarity of the naoh

Determine the molarity of the NaOH(sodium hydroxide) solution. In an acid-base titration, 22.13 mL of a sodium hydroxide solution are required to neutralize 24.65 mL of the potassium hydrogen phthalate solution?

  Calculate the mass percent of methanol, ethanol and mtbe

Calculate the mass percent of methanol, ethanol, and MTBE, that must be present in gasoline to yield a mixture of 1.8% oxygen by weight.

  Find out the required pressure to compress

Find out the required pressure to compress 180 liters of N at 1.0 atm into a tank whose volume is 34 liters.

  What is the empirical formula for butyric acid

A 0.440 g sample of butyric acid (an organic acid consisting of C, H, and O atoms) is combusted in excess oxygen, yielding 0.882 g CO2 and 0.360 g H2O.

  How many tablets should be given

A patient needs 0.004g of a sulfa drug. There are 5.00mg tablets in stock. How many tablets should be given.

  What is the mass of the second isotope

The atomic weight of a newly discovered element is 98.225 amu. It has two naturally occuring isotopes. One isotope has a mass of 96.780 amu.

  Determine the actual yield

determine the actual yield If the percent yield of the reaction in B was 91% describes the oxidation of ethanol (C 2 H 5 OH) to acetic acid (CH 3 COOH) by potassium permanganate (KMn04

  Weight of hydrogen when sodium is dropped

If a sample of sodium is dropped into a container of water the reaction is:

  Determine how many milligrams of h2o are present

Determine how many milligrams of H 2 O are present in sample If the freezing point of 100.0 grams of sample of 2-methyl-2-propanol =24.59C, (2methyl-2propanol has Kf=4.68Ckg/mol

  Calculate ratio of hcl molecules in first excited rotational

Calculate the ratio of HCL molecules in the first excited rotational state to those in the ground state @ 25 C. Assume an equilibrium bond distance of 1.275 angstroms.

  Calculate the minimum concentration of silver ion

A solution contains 1.0 x 10-5 M Na3PO4. Calculate the minimum concentration of Ag+ that would cause precipitation of solid Ag3PO4.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd