Chapter 4- Atoms, Elements, and the Periodic Table

In an atom, where is an electron located?

 Atom A = 12 protons and 12 neutrons, while Atom B= 12 protons and 16 neutrons. What are they?

Elements that are shiny, good conductors,and make up most of the periodic table are _______.

The new substance formed when two or more elements combine chemically is a(n) ________.

The particles in an atom that account for most of the mass of the atom are protons and _______.

Mass number = ________ .

What is a mixture that looks the same throughout?

What is an atom made of?

How is matter defined?

A chemical combination of two or more elements is a _______.

The _____ is the particle in the nucleus of the atom that carries a positive charge.

Which is a heterogeneous mixture?

What is the atomic mass?

What are two atoms that have the same number of protons but different numbers of neutrons?

Anything that has mass and takes up space is ________.