Basic Chemistry

A strong intramolecular interaction or connection between atoms in a molecule.

• Ionic bond

• Covalent bond

• Metallic bond

• Chemical bond

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Elements are atoms of the same kind. What do you call a charged atom?

• Proton

• Ion

• Electron

• Neutron

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These electrons determine atoms reactivity or tendency to from bonds with other atoms.

• Core electrons

• Electrons

• Valence electrons

• Shell electrons

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Which of the following element does not belong to noble gases?

• Boron

• Oxygen

• Nitrogen

• All of the above

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This rule refers to the tendency of atoms to prefer to have 8 electrons in the valance shell.

• Solo

• Duet

• Trio

• Octet

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Used as a component of breathing gases due to its low solubility in fluids or lipids.

• Helium

• Oxygen

• Nitrogen

• Carbon dioxide

This type of noble gas has a superior thermal sufficiency and is good for insulation.

• Neon

• Krypton

• Argon

• Xenon

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What gas is use in radiotherapy which is implantable that is made of gold and primarily used to treat cancer.

• Radon

• Organesson

• Krypton

• Helium

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Air is what kind of substance?

• Colloid

• Suspension

• Mixture

• Foam

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This gas is a by-product of utilization of carbon dioxide, water and sunlight by autotrophs.

• Nitrogen

• Oxygen

• Helium

• Radon

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