Week 6 Chemistry Vocabulary

Chemistry is the study of

• chemicals and chemical reactions

• carrying out experiments

• smelly experiments

• the universe

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

An atom is

• any small simple particle

• a small unit particle of an element

• a small unit particle of a compound

• a molecule

Tags

NGSS.MS-PS1-1

A molecule is

• a particle made up of atoms joined together

• a particle made up of different types of atoms joined together

• any partilcle

• a compound

Tags

NGSS.MS-PS1-1

An element is

• a simple chemical

• a complex chemical

• a simple partilcle made of one type of atom

• a particle made of different types of atoms

Tags

NGSS.MS-PS1-1

A compound is

• a simple chemical

• a simple chemical made of one type of atom

• a simple chemical made up of two different types of atom

• a simple chemical made up of different types of atom

Tags

NGSS.MS-PS1-1

What is the definition of a valence shell?

• the force that holds the particles of a molecule together

• the outermost orbit or shell of an atom

• a substance that changes during a chemical reaction

• a change in which a new substance is formed

Tags

NGSS.HS-PS1-1

What is the definition of a reactant?

• A substance that changes during a chemical reaction

• the force that holds the particles of a molecule together

• a change in which a new substance is formed

• in any chemical reaction, mass is neither created nor destroyed

What is a chemical reaction?

• in any chemical reaction, mass is neither created nor destroyed

• a positively charged subatomic particle in the nucleus of an atom

• a change in which a new substance is formed

• a negatively charged atomic particle in orbit around the nucleus

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

What is the law of conservation?

• A positively charged subatomic particle in the nucleus of an atom

• A negatively charged subatomic particle in orbit around the nucleus

• a subatomic particle within the nucleus of an atom with a neutral charge

• In any chemical reaction, mass is neither created nor destroyed

Tags

NGSS.MS-PS1-5

What is a Yield in a chemical reaction?

• The arrow that separates the product from the reactant.

• The end result of a chemical reaction.

• The number before a chemical formula that shows the number of molecules present.

• A written description of a chemical reaction.

Tags

NGSS.MS-PS1-5