An atom has the same number of _____...?

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An atom has the same number of _____...?

(A) Electrons and Neutrons

(B) Protons and Neutrons

(C) Electrons and Protons

(D) Neutrons and Molecules

✅ Correct Answer: Electrons and Protons

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Source: This question is taken from the Everyday Science

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A radioactive nuclide emits a β-particle. The atomic number (proton number) of the nucleus number of ______...?

(A) Stays the same

(B) Decreases by 2

(C) Increases by 1

(D) Decreases by 4

✅ Correct Answer: Increases by 1

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Source: This question is taken from the Everyday Science

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If the ratio of solute to solvent is high, the solution is said to be ______...?

(A) Aqueous Solution

(B) Unsaturated Solution

(C) Concentrated Solution

(D) Saturated Solution

✅ Correct Answer: Concentrated Solution

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Source: This question is taken from the Everyday Science

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The atoms of same element which have the same atomic number but different mass numbers are known as...?

(A) Isotopes

(B) Isoelectronic

(C) Isomers

(D) Isobars

✅ Correct Answer: Isotopes

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Isotopes of an element have the same number of _______...?

(A) Neutrons

(B) Protons

(C) Electrons

(D) Beta rays

✅ Correct Answer: Protons

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Source: This question is taken from the Everyday Science

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A Barometer is device used to measure ______...?

(A) Humidity

(B) Atmospheric Pressure

(C) Room Temperature

(D) Salt in sea water

✅ Correct Answer: Atmospheric Pressure

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Splitting of glucose (glycolysis) release small amount of energy which is enough to generate _____...?

(A) 2 ATP

(B) 5 ATP

(C) 18 ATP

(D) 36 ATP

✅ Correct Answer: 2 ATP

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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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P Waves are also said to be __________ waves...?

(A) Push-pull

(B) Side-side

(C) Up-down

(D) None of the above

✅ Correct Answer: Push-pull

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If we dissolve sand into the water, then the mixture is said to be _______...?

(A) Solution

(B) Suspension

(C) Colloids

(D) Concentrated solution

✅ Correct Answer: Suspension

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In an atom number of protons and neutrons are added to obtain ________...?

(A) In an atom number of protons and neutrons are added to obtain ________? Number of electrons

(B) Number of nucleons

(C) Atomic number of element

(D) Number of isotopes

✅ Correct Answer: Number of nucleons

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Spring balance is used to measure _________...?

(A) Mass

(B) Weight

(C) Elasticity

(D) Density

✅ Correct Answer: Weight

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An atom has atomic number 16 and mass number 32, the number of protons is...?

(A) 32

(B) 14

(C) 16

(D) 18

✅ Correct Answer: 16

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‘Magnetometer’ is used to measure: ______________...?

(A) Air Pressure on Ships

(B) Electromagnetic Force in Space Devices

(C) Changes in the Earth’s Magnetic Field

(D) Changes in Oceanic Current

✅ Correct Answer: Changes in the Earth’s Magnetic Field

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In group electron affinity values decreases from top to bottom because ______...?

(A) Atomic size normal

(B) Atomic size increases

(C) Atomic size decreases

(D) Atomic size same

✅ Correct Answer: Atomic size increases

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The process of converting wet waste to manure is___________...?

(A) Metabolism

(B) Conservation

(C) Incineration

(D) Composting

✅ Correct Answer: Composting

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Parses is a unit used to measure: __________...?

(A) Distance

(B) Time

(C) Speed

(D) Force

✅ Correct Answer: Distance

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The symbol denotes the proton number is ______...?

(A) P

(B) N

(C) Z

(D) A

✅ Correct Answer: Z

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If the ratio of solute to solvent is low, the solution is said to be _____...?

(A) Supersaturated

(B) Diluted

(C) Saturated

(D) Concentrated

✅ Correct Answer: Diluted

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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

An atom has the same number of _____...? Mcqs

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