Chapter 3: Elements and the Periodic Table

The mass of this element is

The particle of an atom that can be lost, gained, or shared in chemical reactions is

The average mass of all the isotopes of an element is called the element's

This element has ___ protons

Elements that have some properties of both metals and nonmetals are called

True or False: Nonmetals can be hammered into thin sheets.

Which is a property of nonmetals?

The atomic number of this element is

The name of this element is

T/F: It is impossible to predict the properties a element by its position in the periodic table

The chemical symbol of this element is

This element has ___ neutrons

A row of elements in the periodic table is called a

This element has ___ electrons

True or False: Heat and electricity can easily flow through metals.

If an object can be pulled into a long wire, then the object is

The number of protons in an atom is the element's

Dmitri Mendeleev created the first

What particles are found in the nucleus of an atom?

The most reactive group of metals in the periodic table is the

True or False: In an atom, the number of protons is equal to the number of electrons.