Which of the following is not a donor atom...?

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Which of the following is not a donor atom...?

(A) Phosphorus

(B) Antimony

(C) Arsenic

(D) Aluminum

✅ Correct Answer: Aluminum

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The maximum number of electrons can be filled in the first shell of an atom are _____....?

(A) 2 electrons

(B) 8 electrons

(C) 18 electrons

(D) 4 electrons

✅ Correct Answer: 2 electrons

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

An atom of an element has 11 protons, 11 electrons and 12 neutrons. The atomic mass of an atom is...?

(A) 11

(B) 12

(C) 22

(D) 23

✅ Correct Answer: 23

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Mohus scale is used for to measure ____________...?

(A) Hardness

(B) Humidity

(C) Pressure

(D) Temperature

✅ Correct Answer: Hardness

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Name the material of screen which used in Rutherford atomic model...?

(A) Aluminum foil

(B) Zinc sulphide

(C) Sodium sulphide

(D) Aluminum sulphide

✅ Correct Answer: Zinc sulphide

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Example of gas having monoatomic molecules is ___________ ...?

(A) Nitrogen

(B) Nydrogen

(C) Neon and argon

(D) Oxygen and nitrogen

✅ Correct Answer: Neon and argon

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The valency of carbon Atom is __________ ...?

(A) 1

(B) 2

(C) 3

(D) 4

✅ Correct Answer: 4

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which of the following is a homo atomic...?

(A) H2

(B) NH3

(C) H2O

(D) CO2

✅ Correct Answer: H2

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The sum of protons and neutrons in the nucleus of an atom is known as ____...?

(A) Atomic Mass

(B) Mass Number

(C) Atomic Number

(D) Valance Number

✅ Correct Answer: Mass Number

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The power of combining of an atom with other atoms to form molecules or compounds is called...?

(A) Atomic Mass

(B) Valency

(C) Electronegativity

(D) Ionization Energy

✅ Correct Answer: Valency

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

First controlled fission of an atom was carried out in ________ on 1938....?

(A) U.S

(B) Germany

(C) Russia

(D) U.K

✅ Correct Answer: Germany

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

"A chemical compound always contains the same elements combined together in the same proportion or ratio" is the statement of ____...?

(A) Law of Multiple Proportions

(B) Law of Conservation of Mass

(C) Law of Reciprocal Proportions

(D) Law of Constant Composition

✅ Correct Answer: Law of Constant Composition

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

A form of energy which can be found in the nucleus of an atom of an element...?

(A) Kinetic Energy

(B) Potential Energy

(C) Nuclear Energy

(D) Chemical Energy

✅ Correct Answer: Nuclear Energy

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

___________are negatively (-) charged particles of an atom...?

(A) Protons

(B) Neutrons

(C) Electrons

(D) None of These

✅ Correct Answer: Electrons

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

What are the three subatomic particles of an atom...?

(A) Protons,Neutrons & Electrons

(B) Protons,Nucleus & Electrons

(C) Protons,Nucleus & Elements.

(D) Elements,Nucleus & Protons

✅ Correct Answer: Protons,Neutrons & Electrons

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The prefix ‘hept’ stands for the ____ carbon atoms....?

(A) 2

(B) 5

(C) 7

(D) 9

✅ Correct Answer: 7

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The central atom of hemoglobin is...?

(A) Calcium

(B) Magnesium

(C) Iron

(D) None of these

✅ Correct Answer: Iron

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The electronic that have been knocked out of the outer most shell of an atom are known as...?

(A) Free Electrons

(B) Valence Electrons

(C) Core Electrons

(D) Conductors

✅ Correct Answer: Free Electrons

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Identify the monoatomic molecule among the following...?

(A) Helium

(B) Ozone

(C) Hydrogen

(D) Nitrogen

✅ Correct Answer: Helium

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which of the following is not a donor atom...? Mcqs

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