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Y8- Atoms, elements, compounds and mixtures

Last updated 3 months ago

15 questions

Note from the author:

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Formative Generation Completed!

Formative Generation Completed!

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Question 2

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Question 3

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Question 11

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Question 14

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Question 15

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What is the smallest unit of an element that maintains the chemical properties of that element?

Molecule

Atom

Compound

Electron

Is water considered a compound?

True

False

Which of the following is not a mixture?

Salad

Air

Orange juice

Gold

Which three particles make up an atom?

Proton

Neutron

Electron

Photon

What determines the atomic number of an element?

Number of protons

Number of electrons

Number of neutrons

All of the above

Can the number of protons in an atom change?

True

False

What is the center of an atom called?

Nucleus

Proton

Neutron

Electron shell

What elements make up water?

Hydrogen

Oxygen

Nitrogen

Carbon

What type of bond holds the atoms together within a water molecule?

Ionic

Covalent

Metallic

Hydrogen

Is air considered to be a homogeneous mixture?

True

False

The periodic table is organized by increasing what?

Atomic number

Number of neutrons

Number of electrons

All of the above

What are the two types of chemical bonds?

Ionic

Radical

Covalent

Universal

What is a substance made up of only one type of atom?

Compound

Mixture

Element

Molecule

Do all atoms of the same element have the same number of protons?

True

False

Which of these is not a pure substance?

Iron

Oxygen

Water

Lemonade