Hierarchy of Organisms Unit Vocabulary

What is the positively charged particle found in the center of an atom called?

• electron

• neutron

• proton

• megatron

What is the smallest unit of matter that has the same properties of an element called?

• atom

• proton

• electron

• neutron

Tags

NGSS.MS-PS1-1

What is the negatively charged REGION in which electrons orbit called?

• proton

• neutron

• electron

• electron cloud

What is the central core of an atom called?

• the nucleus

• the electron cloud

• the proton

• the electron

What is the neutral subatomic particle found in the nucleus of an atom called?

• the atom

• the proton

• the neutron

• the electron

Matter that can be PHYSICALLY separated into its parts is called....

• a molecule

• a compound

• a pure substance

• a mixture

Matter that cannot be PHYSICALLY separated into its parts is called...

• a pure substance

• a heterogeneous mixture

• a homogeneous mixture

• a suspension

Matter that consists of two or more atoms of different elements that are chemically bonded (joined) are called...

• An element

• A heterogeneous mixture

• A homogeneous mixture

• A compound

Tags

NGSS.MS-PS1-1

A substance that can be identified on the periodic table and consists of just one type of atom is called...

• An element

• A mixture

• A compound

• A neutron

What do you call any substance that can be physically separated into its parts?

• An element

• A pure substance

• A mixture

• A compound