SCIENCE TEST

THE WORKING PRINCIPLE OF THE WASHING MACHINE

• reverse osmosis

• diffusion

• centrifugation

• dialysis

Largest planet in the solar system

What are atoms composed of?

• Protons and electrons

• Neutrons and electrons

• Protons, neutrons, and electrons

• Protons and neutrons

What determines the atomic number of an element?

• Number of electrons

• Number of neutrons

• Number of protons

• Number of isotopes

What does electron configuration refer to?

• Arrangement of protons in energy levels

• Arrangement of neutrons in energy levels

• Arrangement of electrons in energy levels

• Arrangement of atoms in energy levels

Understanding electron configuration helps predict an element's chemical properties. What is the maximum number of characters that can be placed in the blank?

How does the number of electrons an energy level can accommodate in an atom impact its overall stability?

DRAW THE STRUCTURE OF FACE CENTERED CUBIC(FCC) UNIT CELL

How does an air bubble in water will act like

Inertia is directly proportional to an object's mass.

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