Explanation

IRON:

Symbol: Fe

Atomic mass: 55.845 u

Atomic number: 26

Electron configuration: [Ar] 3d64s2

Density: 7.874 g/cm³ (near room temperature)

Electrons per shell: 2, 8, 14, 2

Melting point: 1,538 °C

Explanation

Explanation

IRON:

• Symbol: Fe
• Atomic mass: 55.845 u
• Atomic number: 26
• Electron configuration: [Ar] 3d64s2
• Density: 7.874 g/cm³ (near room temperature)
• Electrons per shell: 2, 8, 14, 2
• Melting point: 1,538 °C

Explanation

Citric acid occurs naturally in:

• Lemons,
• Limes,
• Pineapples,
• Grapefruits,
• Berries (not blueberries),
• Tomatoes,
• Broccoli,
• Carrots,
• and some varieties of Peppers.

Explanation

Rust diseases of wheat, the most common these days is called leaf or brown rust and is caused by P. triticina Eriks.

Explanation

Silver is a chemical element with the symbol Ag

and atomic number 47

Atomic radius: empirical: 144 pm

Crystal structure: ​face-centered cubic (fcc)

ND5-07-2023

Explanation

Explanation

Acetylene reacts with one molecule of HCl to form vinyl chloride.

However, when excess HCl is added, the second molecule of HCl also reacts with the vinyl chloride, attaching both chlorine atoms to the same carbon atom, resulting in 1,1-dichloroethane. 

Explanation

Glucose (C6H12O6) is a type of carbohydrate, specifically a simple sugar or monosaccharide.

It is a vital source of energy for many living organisms, including humans.

Glucose is a primary component of many carbohydrates, such as starch, cellulose, and glycogen.

Explanation

The empirical formula of glucose is CH2O.

This represents the simplest whole-number ratio of the elements in glucose.

It has a molecular formula of C6H12O6.