Matter Pre-Quiz

Which of the following particles is found in the nucleus of an atom?

• Electron

• Proton

• Photon

• Positron

What is the main difference between atoms of different elements?

• Number of protons

• Number of electrons in the outer shell

• Number of neutrons only

• Mass of the atom

Which of the following best represents a compound?

• N

• He

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NGSS.MS-PS1-1

What type of bond is formed when two atoms share electrons?

• Ionic bond

• Covalent bond

• Metallic bond

• Hydrogen bond

Which of the following is a chemical property of a pure substance?

• Melting point

• Density

• Reactivity with acid

• Color

Which statement best describes the conservation of matter in a chemical reaction?

• Matter is created during the reaction.

• Matter is destroyed during the reaction.

• The total mass of reactants equals the total mass of products.

• The total mass of products is always greater than the reactants.

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NGSS.MS-PS1-5

Which of the following is an example of a physical change?

• Burning wood

• Rusting iron

• Melting ice

• Baking a cake

Which chemical formula represents a compound made from sodium and chlorine?

• NaCl

• NaO

Tags

NGSS.MS-PS1-1

• It is made of only one type of atom.

• It is a mixture of hydrogen and oxygen gases.

• It is formed when hydrogen and oxygen atoms chemically bond.

• It can be separated by physical means.

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NGSS.MS-PS1-1

• The creation of new elements

• The conservation of matter

• The destruction of water

• The formation of a mixture

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NGSS.MS-PS1-5