Compound Molecule - Study

What is a molecule?

• A single atom

• A group of atoms held together by chemical bonds

• A solid with a repeating pattern

• A mixture of elements

Tags

NGSS.MS-PS1-1

What does a chemical bond do?

• Separates atoms

• Holds atoms or subunits of atoms together

• Changes the color of a substance

• Creates a solid pattern

What is a crystal?

• A liquid with a random pattern

• A gas with a fixed shape

• A solid whose atoms, ions, or molecules are arranged in a regular, repeating pattern

• A mixture of compounds

Tags

NGSS.MS-PS1-1

Which of the following is NOT a characteristic of a pure substance?

• Definite chemical properties

• Definite physical properties

• Made of multiple compounds

• Single element or compound

Which of the following is true about pure substances?

• They are mixtures

• They have changing properties

• They are made of one type of matter

• They are always solids

Tags

NGSS.MS-PS1-4

What does reactivity refer to in pure substances?

• Physical appearance

• Chemical behavior

• Color change

• Texture

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is a molecule?

• single element

• a group of atoms held together by chemical bonds

• the force that holds atoms together

• a solid whose atoms are arranged in a repeating pattern

Tags

NGSS.MS-PS1-1

What is a crystal?

• single element

• a group of atoms held together by chemical bonds

• the force that holds atoms together

• a solid whose atoms are arranged in a repeating pattern

What is a pure substance?

• single element

• a group of atoms held together by chemical bonds

• the force that holds atoms together

• a solid whose atoms are arranged in a repeating pattern

Tags

NGSS.MS-PS1-4

What is a chemical bond?

• single element

• a group of atoms held together by chemical bonds

• the force that holds atoms together

• a solid whose atoms are arranged in a repeating pattern