8th Ch. 11

Anything that has mass and takes up space is called

• Matter

• Energy

• Heterogeneous

• Homogeneous

What is a substance?

• A substance is a type of matter that has a definite composition and distinct properties.
• A substance is a type of matter that can change its properties without any external influence.
• A substance is a type of energy that can be converted into matter.
• A substance is a type of matter that does not have a definite composition.

Which is a property of all atoms?

• All atoms have a nucleus containing protons and neutrons, but no electrons.
• All atoms have a nucleus containing only protons, and electrons orbiting the nucleus.
• All atoms have a nucleus containing electrons and neutrons, and protons orbiting the nucleus.
• All atoms have a nucleus containing protons and neutrons, and electrons orbiting the nucleus.

An example of a homogenous and heterogenous mixture

Match

• positive

• negative

• neutron

• neutral

• proton

• electron

What is the core of the atom?

How do you find the mass number?

Other word for homogenous mixture

What is inside the nucleus?

A molecule is defined as

• things that have no mass or matter.

• two or more atoms that are held together by chemical bonds and act as a unit.

• an arrangement of particles that is the same throughout the mixture.

• anything that has mass and takes up space.