Duplicate of chapter 17 review

Bromine is the only halogen and nonmetal that is normally a ________.

Elements that lie along the red step line of the periodic table are called _____.

A family of elements that has two electrons in its outer energy level is the __________.

The elements of group 1 of the periodic table are the ________ metals.

____ is the only metal that is not solid at room temperature.

All synthetic elements are _________.

A(n) ______ element is one in which the nucleus breaks down and gives off particles and energy.

The ______often occur in nature as uncombined elements.

Different forms of the same element that have different arrangements are called ____.

The ability of metal to reflect light is referred to as ____.

Elements having more than 92 protons are called ________ elements.

In _____ bonding, positively charged metallic ions are surrounded by a cloud of electrons.

The elements of group 17 are called _________.

The two rows of elements that seem to be disconnected from the rest of the table are the ____.

A(n) ______molecule consists of two atoms of the same element in a covalent bond.

At room temperature, most metals are _______.

Copper, silver and gold are ______ metals.

An allotrope of carbon that is soft and can be used as a lubricant is

Metals in the earth's _____ must be mined and separated from their ores.

Metals can be used as wire because they are ____.

An allotrope of carbon that is hard and is often used in jewelry is ______.

Any element with an atomic number greater than that of uranium is a(n) __________.

A synthetic element that is used in smoke detectors is _____.

Synthetic elements are found in which of the following ___________.

When metals combine with nonmetals, the atoms of the metals tend to lose electrons to form ___.

The elements in Groups 3 through 12 of the periodic table are the _______.

In the gaseous state _____form diatomic covalent molecules.

Most of your body's mass is made of what element ______.

Substances that conduct an electric current only under certain conditions are most likely ____.

When hydrogen reacts with the active metals, it forms a chemical bond by _______.

Hydrogen is grouped with the alkali metals because it ____________.