Which one of the following is radioactive ? (1) Cesium (2) Platinum (3) Strontium (4) Thorium

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Which one of the following is radioactive ? (1) Cesium (2) Platinum (3) Strontium (4) Thorium

asked Jan 22, 2021 by anonymous

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This natural fiber obtained from the stems of a plant of the nettle family has found popularity in modern fibers with a high wet strength, absorbent but dries quickly, it can be spun or woven, has a high rot and mildew resistance and elasticity 50 percent greater than that of CHEM-92; Multiple Choice: What transuranic element is often used in satellites as a source of heat or power? w) Plutonium-238 x) Strontium-90 y) Cesium-137 z) Uranium-235

Description : This natural fiber obtained from the stems of a plant of the nettle family has found popularity in modern fibers with a high wet strength, absorbent but dries quickly, it can be spun or woven, has a high rot ... a source of heat or power? w) Plutonium-238 x) Strontium-90 y) Cesium-137 z) Uranium-235

Last Answer : ANSWER: W -- PLUTONIUM-238

The radioactive Strontium-90 causes (1) Brain cancer (2) Skin cancer (3) Lung cancer (4) Bone cancer

Description : The radioactive Strontium-90 causes (1) Brain cancer (2) Skin cancer (3) Lung cancer (4) Bone cancer

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The radioactive Strontium-90 causes : (1) Brain cancer (2) Skin cancer (3) Lung cancer (4) Bone cancer

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Which of the following caused radioactive pollution along the coast of Kerala? (1) Plutonium (2) Zinc (3) Thorium (4) Radium

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Lead-206 is the final product of the radioactive decay series named the: w) thorium series x) actinium series y) uranium series z) neptunium series

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Last Answer : ANSWER: Y -- URANIUM SERIES

Which of the following caused radioactive pollution along the coast of Kerala ? (1) Plutonium (2) Zinc (3) Thorium (4) Radium

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Last Answer : There are four radioactive decay series called thorium `(4n)`, uranium `(4n + 2)` actinium `(4n ... A. actinium B. radium C. uranium D. polonium

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The soft silvery metalic element which ionizes easily when heated or exposed to light and is present in atomic clocks is – (1) Cerium (2) Cesium (3) Calcium (4) Californium

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Many elements are Greek or Latin names for a particular color, examples are Chlorine from chloros (greenish-yellow) and Cesium from caesius (sky blue). What is the element that was named from the Greek word meaning color?

Description : Many elements are Greek or Latin names for a particular color, examples are Chlorine from chloros (greenish-yellow) and Cesium from caesius (sky blue). What is the element that was named from the Greek word meaning color?

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Which of the following metals is a solid at room temperature, yet melts in your hand? w) gallium x) cesium y) sodium z) magnesium

Description : Which of the following metals is a solid at room temperature, yet melts in your hand? w) gallium x) cesium y) sodium z) magnesium

Last Answer : ANSWER: W -- GALLIUM

Which of the following metals melts in your hand? w) gallium x) cesium y) sodium z) magnesium

Description : Which of the following metals melts in your hand? w) gallium x) cesium y) sodium z) magnesium

Last Answer : ANSWER: W -- GALLIUM

In a body-centered structure for cesium chloride how many nearest neighbor chloride ions surround a cesium ion?

Description : In a body-centered structure for cesium chloride how many nearest neighbor chloride ions surround a cesium ion?

Last Answer : ANSWER: 8

The soft silvery metalic element which ionizes easily when heated or exposed to light and is present in atomic clocks is : (1) Cerium (2) Cesium (3) Calcium (4) Califonrium

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Last Answer : Cesium

The green colour seen in firework displays is due to the chloride salt of– (1) Sodium (2) Strontium (3) Barium (4) Calcium

Description : The green colour seen in firework displays is due to the chloride salt of– (1) Sodium (2) Strontium (3) Barium (4) Calcium

Last Answer : (3) Barium Explanation: The red, orange, yellow, green, blue and purple colors exploding in the night sky during a pyrotechnic festival are created by the use of metal salts. Barium chloride ... orange), sodium nitrate (yellow), barium chloride (green fireworks) and copper chloride (blue fireworks).

Colour imparted to the Bunsen flame by strontium salt is - (1) bluish green (2) apple-green (3) brick red (4) crimson red

Description : Colour imparted to the Bunsen flame by strontium salt is - (1) bluish green (2) apple-green (3) brick red (4) crimson red

Last Answer : (4) crimson red Explanation: A flame test is performed by introducing a sample into the blue flame of a bunsen burner and noting any change in the colour of the flame. The tests can be used ... metallic elements in salts. With strontium salt, the colour of Bunsen flame ranges from crimson to red.

Which of the following four elements has the largest atomic radius? Is it: w) strontium x) francium y) calcium z) bromine

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Last Answer : ANSWER: X -- FRANCIUM

In a flame test both lithium and strontium produce various shades of this color. What is this color?

Description : In a flame test both lithium and strontium produce various shades of this color. What is this color?

Last Answer : ANSWER: RED

The green colour seen in firework displays is due to the chloride salt of : (1) Sodium (2) Strontium (3) Barium (4) Calcium

Description : The green colour seen in firework displays is due to the chloride salt of : (1) Sodium (2) Strontium (3) Barium (4) Calcium

Last Answer : Barium

Colour imparted to the Bunsen flame by strontium salt is (1) bluish green (2) apple-green (3) brick red (4) crimson red

Description : Colour imparted to the Bunsen flame by strontium salt is (1) bluish green (2) apple-green (3) brick red (4) crimson red

Last Answer : crimson red

Why cesium?

Description : Why cesium?

Last Answer : Good question. A short bit of research tells me that the resonant vibration frequency of a particular isotope of Cesium is known very precisely. The best cesium atomic clocks are accurate to 1 second in 17 million years.

What is the symbol of cesium ?

Description : What is the symbol of cesium ?

Last Answer : Symbol of Cs cesium

What is the sign of cesium ?

Description : What is the sign of cesium ?

Last Answer : Cs signal of cesium

How much cesium Half-Life2 years would remain from a 10 G sample?

Description : How much cesium Half-Life2 years would remain from a 10 G sample?

Last Answer : Need answer

How many electrons does cesium lend?

Description : How many electrons does cesium lend?

Last Answer : Cesium lose one electron.

What is formula name for cesium sulfate?

Description : What is formula name for cesium sulfate?

Last Answer : What is the answer ?

Why cesium requires little energy to release its one elecron of outermost shell?

Description : Why cesium requires little energy to release its one elecron of outermost shell?

Last Answer : The distance between the nucleus an this electron is higher.

Why does cesium bromide in an aqueous solution conduct electric current?

Description : Why does cesium bromide in an aqueous solution conduct electric current?

Last Answer : Cesium bromide is dissociated in water in ions.

Of the following, which non-fissioning element is used in the cooling water of nuclear power plants to help control the rate of the fission reaction by absorbing neutrons: w) zirconium x) boron y) krypton z) cesium

Description : Of the following, which non-fissioning element is used in the cooling water of nuclear power plants to help control the rate of the fission reaction by absorbing neutrons: w) zirconium x) boron y) krypton z) cesium

Last Answer : ANSWER: X -- BORON

What is the half-life of the Rubidium-87 / Strontium-87 decay chain?

Description : What is the half-life of the Rubidium-87 / Strontium-87 decay chain?

Last Answer : http://answers.yahoo.com/question/index?qid=20091020104308AAsZVxB Rb 87 half life = 5*10^11 years Sr 87 half life = 2.83 hours

What are the signals of strontium ?

Description : What are the signals of strontium ?

Last Answer : Signal of Sr Stronsium

What is the chemical sign of strontium?

Description : What is the chemical sign of Strontium and what are the main properties of this substance? Maybe you can write something about the use of Strontium?

Last Answer : The chemical sign of strontium Sr. Main properties of strontium: Electronic structure: [Kr] 5s2 Number: 38 Atomic mass: 87.62 u 0.01 u Number of electrons per shell: 2,8,18,8,2 Melting point: ... is also used to train lead. Used as a red dye in fireworks. It is also used in marine aquaristics.

Strontium - 90 can enter human body parts in place of

Description : Strontium - 90 can enter human body parts in place of

Last Answer : Strontium - 90 can enter human body parts in place of A. Phosphorus B. potassium C. Calcium D. Sodium

Strontium - 90 can enter human body parts in place of

Description : Strontium - 90 can enter human body parts in place of

Last Answer : Strontium - 90 can enter human body parts in place of A. Phosphorus B. potassium C. Calcium D. Sodium

What is the ratio of strontium to sulphate in Arabian sea?

Description : What is the ratio of strontium to sulphate in Arabian sea?

Last Answer : Need answer

Is sodium more reactive than strontium?

Description : Is sodium more reactive than strontium?

Last Answer : Need answer