Question
Asked Oct 8, 2019
1 views

. Investigate the history of the discovery of chemical elements. What was the most recent element to be discovered and how was it found? How many elements occur in nature and how many are man-made?

check_circle

Expert Answer

Step 1

History of the discovery of chemical elements: The discovery of the 118 chemical elements known to exist as of 2019 is presented in chronological order. The elements are ...

help_outline

Image Transcriptionclose

Antiquity Middle 1800 1850 Since 1900- 1950- ages-1799 1849 to middle 1899 1949 1999 2000 ages 12 22 25 24 14 16 5 elements elements elements elements elements elements elements

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Chemistry

Related Chemistry Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: One way in which the useful metal copper is produced is by dissolving the mineral azurite, which con...

A: The number of moles for a given chemical species are defined as a ratio of mass to the molar mass. T...

question_answer

Q: For the given elements, calculate the number of atoms in 1.00 g of that element. How many atoms of l...

A: The number of atoms in one gram of lithium is calculated as,

question_answer

Q: Correct the incorrect reaction Pb(NO3)2(aq)+2LiCl(aq)→2LiNO3(s)+PbCl2(aq) Express your answer as a ...

A: The given chemical reaction:Pb(NO3)2(aq)+2LiCl(aq)→2LiNO3(s)+PbCl2(aq)This is a double displacement ...

question_answer

Q: Why does a calibration curve require a certain range of %T?

A: Calibration curve is used to determine the concentration of unknown sample. A spectrophotometer is u...

question_answer

Q: The pressure inside a hydrogen-filled container was 2.10 atm at 21 ∘C. What would the pressure be if...

A: 1oC = 273.15 K21 oC = 294.15 K87 oC = 360.15 K

question_answer

Q: What volume (in mL) of a 0.200 MHNO3 solution is required to completely react with 38.1 mL of a 0.10...

A: The balanced chemical equation is given below.

question_answer

Q: If there are 1.00 moles of O, how many moles of each of the compounds are present? H2SO mol 4 С Н.О,...

A: Number of moles is Mass in gram of the sample divided by molar mass of oxygen.Therefore,

question_answer

Q: Each of the statements below attempts to explain why some periodic property varies predictably among...

A: Since there are multiple sub parts in this question, we are authorized to answer only first three su...

question_answer

Q: 4. Oxides of titanium are used as pigments. A compound containing only titanium and oxygen is 66.6% ...

A: Given:Compound contains only titanium and oxygen.Percent mass of titanium = 66.6 %.Percent mass of o...