High School Chemistry of Life quiz

Why do atoms form ions?

• To become negatively charged

• To bond with other elements

• To become positively charged

• To complete their outer electron shells

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is a pure substance that can't be broken down any further?

• Compound

• Element

• Proton

• Molecule

The two regions found in the atom are called the_____.

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NGSS.MS-PS1-1

Reorder the following in acending order (weakest to strongest)

• Covalent bond

• Hydrogen bond

• Ionic bonds

Which of the following is the best description of a covalent bond?

• An atom loses one or more electrons to another atom.

• The constant movement of electrons and the creation of charge imbalances which bonds two molecules together.

• Two atoms sharing electrons so they can complete their outer (valence) shells.

• A proton is attracted to the electronegativity of another atom.

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NGSS.MS-PS1-1

Label the part of an atom. Only A, B, and C

b

a

c

Protons

Neutrons

Electrons

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NGSS.MS-PS1-1

label the part of an element found in a periodic table

a

b

c

d

Atomic Number

Atomic Weight

Symbols

Element Name

What are the building blocks of all matter?

• Compounds

• Molecules

• Atoms

• Cells

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NGSS.MS-PS1-1

What is a compound?

• A substance made of more than one atom

• A substance made of only one atom

• A pure metal made of one element

• A very large atom with many molecules

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NGSS.MS-PS1-1

What is an element?

• A pure substance made of only one kind of atom

• A compound made of one or more atoms

• A special material found in the atmosphere

• The most basic unit of matte

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NGSS.MS-PS1-1