Midterm Chemistry Test lab, atoms, elements

a characteristic of matter that you can observe without changing the identity of the matter

The flow of electrons from one atom to another is called _________________________.

Atoms are the basic building blocks of all _______________.

The ability for a metal to be stretched into a wire is called

What are the two types of pure substances?

Two liquids are combined and a solid is formed What is the solid that was formed called?

The correct symbol for Oxygen is

Protons have a __________ charge.

the amount of matter per unit volume

substance containing atoms of two or more different elements chemically bonded together.

a type of mixture in which the individual substances are not evenly mixed.

a small particle that is a building block of matter

a type of mixture in which the individual substances are evenly mixed.

Neutrons have a ________ charge.

B is the correct symbol for

What is this piece of lab equipment?

Electrons have a _________ charge.

anything that has mass or takes up space.

the amount of matter in an object

What is this piece of lab equipment?

A sure way to tell if a chemical change has taken place is when ____________________.

H is the symbol for

The bottom curve of of water in a graduated cylinder is called the

a characteristic of matter that can be observed as it changes to a different type of matter

What is this piece of lab equipment?

substances that consist of just one type of atom

The correct symbol for Potassium is