Emeralds contain the element (a) carbon (b) silica (c) beryllium (d) gold

Emeralds contain the element (a) carbon (b) silica (c) beryllium (d) gold
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Neutrons are obtained by (a) Bombardment of radium with aparticles (b) Bombardment of beryllium with b-particles (c) Radioactive disintegration of uranium (d) None of the above

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Beryllium was isolated by?

Description : Beryllium was isolated by?

Last Answer : Friedrich Wohler and Antoine Bussy

Beryllium was found by?

Description : Beryllium was found by?

Last Answer : Louis Nicolas Vauqueli

What is the sign of beryllium ?

Description : What is the sign of beryllium ?

Last Answer : Be is a sign of beryllium

What is the physical condition of beryllium ?

Description : What is the physical condition of beryllium ?

Last Answer : The physical condition of beryllium is gray.

What is the compatibility of beryllium ?

Description : What is the compatibility of beryllium ?

Last Answer : beryllium valence 2 .

What is the boiling point of beryllium ?

Description : What is the boiling point of beryllium ?

Last Answer : The boiling point of beryllium is 2990 degrees Celsius.

What is the melting point of beryllium ?

Description : What is the melting point of beryllium ?

Last Answer : The melting point of beryllium is 1283 degrees Celsius.

What is the relative atomic mass of beryllium ?

Description : What is the relative atomic mass of beryllium ?

Last Answer : : Relative atomic mass of beryllium 9 .

What is the atomic number of beryllium ?

Description : What is the atomic number of beryllium ?

Last Answer : The atomic number of beryllium is four.

What is the symbol of beryllium ?

Description : What is the symbol of beryllium ?

Last Answer : Symbol of beryllium Be

Why is Be (beryllium) called clay metal ?

Description : Why is Be (beryllium) called clay metal ?

Last Answer : The second class elements of the periodic table are called alkali metals. These elements are found in the soil as various compounds.

What is the sign of beryllium ?

Description : What is the sign of beryllium ?

Last Answer : Sign of beryllium: Be.

What is the sign of beryllium ?

Last Answer : The sign of beryllium is Be .

beryllium Of Atomic Numbers How much ?

Last Answer : beryllium Of Atomic Numbers 4.

Beryllium oxide is treated separately with aqueous HCl and aqueous NaOH solutions.

Description : Beryllium oxide is treated separately with aqueous HCl and aqueous NaOH solutions.

Last Answer : Write balanced chemical equations : Beryllium oxide is treated separately with aqueous HCl and aqueous NaOH solutions.

What is the chemical formula beryllium hydroxide?

Description : What is the chemical formula beryllium hydroxide?

Last Answer : The answer is Be(OH)2

What is beryllium cation or anion?

Description : What is beryllium cation or anion?

Last Answer : Beryllium cation is Be(2+).

How rare is beryllium?

Description : How rare is beryllium?

Last Answer : Feel Free to Answer

Is beryllium a flammable metal?

Description : Is beryllium a flammable metal?

Last Answer : Beryllium is not a flammable metal.

Is beryllium perchlorate ionic or covalent?

Description : Is beryllium perchlorate ionic or covalent?

Last Answer : Need answer

What is beryllium cation or anion?

Description : What is beryllium cation or anion?

Last Answer : Beryllium cation is Be(2+).

Which of the following metals is present in chlorophyll? (1) Beryllium (2) Magnesium (3) Calcium (4) Barium

Description : Which of the following metals is present in chlorophyll? (1) Beryllium (2) Magnesium (3) Calcium (4) Barium

Last Answer : (2) Magnesium Explanation: Chlorophyll is a chlorin pigment, which is structurally similar to and produced through the same metabolic pathway as other porphyrin pigments such as heme. At the center of the chlorin ring is a magnesium ion.

Atomic number of which of the following elements is greater than that of Fluorine? (1) Sodium (2) Beryllium (3) Nitrogen (4) Boron

Description : Atomic number of which of the following elements is greater than that of Fluorine? (1) Sodium (2) Beryllium (3) Nitrogen (4) Boron

Last Answer : (1) Sodium Explanation: Sodium has higher atomic number (11) than Fluorine (9) The atomic number of Beryllium and Nitrogen are 4 and 7 respectively.

Manganite is an ore/mineral of ______. (1) Beryllium (2) Chromium (3) Manganese (4) Copper

Description : Manganite is an ore/mineral of ______. (1) Beryllium (2) Chromium (3) Manganese (4) Copper

Last Answer : (3) Manganese Explanation: Manganite is an ore mineral of manganese. As a manganese ore, it ranks after pyrolusite and romanechite.